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A conversation with Prime Minister of the Czech Republic Bohuslav Sobotka

Today, the European Union faces critical risks to its stability. The possibility of a Brexit. The ongoing Ukraine/Russia conflict. The strain of mass migration. ISIL and other terrorism threats. The lingering financial crisis in Greece and beyond. These issues pose distinct challenges for the EU, its 28 member countries, and their 500 million citizens. How will these developing problems affect Europe?          

On March 31, Governance Studies at Brookings hosted Czech Prime Minister Bohuslav Sobotka to discuss the current status of the EU as seen through the lens of a Central European nation, close U.S. NATO ally and current Chair of the Visegrad Group. Prime Minister Sobotka offered insight into how the EU will address these issues, and where its future lies.

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• Challenges to the future of the EU: A Central European perspective

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• Challenges to the future of the EU: A Central European perspective (English)

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• Transcript (.pdf)

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• 20160331_czech_eu_transcript

Earlier this month, the College Board released SAT scores for the high school graduating class of 2015. Both math and reading scores declined from 2014, continuing a steady downward trend that has been in place for the past decade. Pundits of contrasting political stripes seized on the scores to bolster their political agendas. Michael Petrilli of the Fordham Foundation argued that falling SAT scores show that high schools need more reform, presumably those his organization supports, in particular, charter schools and accountability.* For Carol Burris of the Network for Public Education, the declining scores were evidence of the failure of polices her organization opposes, namely, Common Core, No Child Left Behind, and accountability.

Petrilli and Burris are both misusing SAT scores. The SAT is not designed to measure national achievement; the score losses from 2014 were miniscule; and most of the declines are probably the result of demographic changes in the SAT population. Let’s examine each of these points in greater detail.

It never was. The SAT was originally meant to measure a student’s aptitude for college independent of that student’s exposure to a particular curriculum. The test’s founders believed that gauging aptitude, rather than achievement, would serve the cause of fairness. A bright student from a high school in rural Nebraska or the mountains of West Virginia, they held, should have the same shot at attending elite universities as a student from an Eastern prep school, despite not having been exposed to the great literature and higher mathematics taught at prep schools. The SAT would measure reasoning and analytical skills, not the mastery of any particular body of knowledge. Its scores would level the playing field in terms of curricular exposure while providing a reasonable estimate of an individual’s probability of success in college.

Note that even in this capacity, the scores never suffice alone; they are only used to make admissions decisions by colleges and universities, including such luminaries as Harvard and Stanford, in combination with a lot of other information—grade point averages, curricular resumes, essays, reference letters, extra-curricular activities—all of which constitute a student’s complete application.

Today’s SAT has moved towards being a content-oriented test, but not entirely. Next year, the College Board will introduce a revised SAT to more closely reflect high school curricula. Even then, SAT scores should not be used to make judgements about U.S. high school performance, whether it’s a single high school, a state’s high schools, or all of the high schools in the country. The SAT sample is self-selected. In 2015, it only included about one-half of the nation’s high school graduates: 1.7 million out of approximately 3.3 million total. And that’s about one-ninth of approximately 16 million high school students.  Generalizing SAT scores to these larger populations violates a basic rule of social science. The College Board issues a warning when it releases SAT scores: “Since the population of test takers is self-selected, using aggregate SAT scores to compare or evaluate teachers, schools, districts, states, or other educational units is not valid, and the College Board strongly discourages such uses.”  

TIME’s coverage of the SAT release included a statement by Andrew Ho of Harvard University, who succinctly makes the point: “I think SAT and ACT are tests with important purposes, but measuring overall national educational progress is not one of them.”

SAT scores changed very little from 2014 to 2015. Reading scores dropped from 497 to 495. Math scores also fell two points, from 513 to 511. Both declines are equal to about 0.017 standard deviations (SD).^[i] To illustrate how small these changes truly are, let’s examine a metric I have used previously in discussing test scores. The average American male is 5’10” in height with a SD of about 3 inches. A 0.017 SD change in height is equal to about 1/20 of an inch (0.051). Do you really think you’d notice a difference in the height of two men standing next to each other if they only differed by 1/20^th of an inch? You wouldn’t. Similarly, the change in SAT scores from 2014 to 2015 is trivial.^[ii]

A more serious concern is the SAT trend over the past decade. Since 2005, reading scores are down 13 points, from 508 to 495, and math scores are down nine points, from 520 to 511. These are equivalent to declines of 0.12 SD for reading and 0.08 SD for math.^[iii] Representing changes that have accumulated over a decade, these losses are still quite small. In the Washington Post, Michael Petrilli asked “why is education reform hitting a brick wall in high school?” He also stated that “you see this in all kinds of evidence.”

You do not see a decline in the best evidence, the National Assessment of Educational Progress (NAEP). Contrary to the SAT, NAEP is designed to monitor national achievement. Its test scores are based on a random sampling design, meaning that the scores can be construed as representative of U.S. students. NAEP administers two different tests to high school age students, the long term trend (LTT NAEP), given to 17-year-olds, and the main NAEP, given to twelfth graders.

Table 1 compares the past ten years’ change in test scores of the SAT with changes in NAEP.^[iv] The long term trend NAEP was not administered in 2005 or 2015, so the closest years it was given are shown. The NAEP tests show high school students making small gains over the past decade. They do not confirm the losses on the SAT.

Table 1. Comparison of changes in SAT, Main NAEP (12^th grade), and LTT NAEP (17-year-olds) scores. Changes expressed as SD units of base year.

 *p<.05

Petrilli raised another concern related to NAEP scores by examining cohort trends in NAEP scores. The trend for the 17-year-old cohort of 2012, for example, can be constructed by using the scores of 13-year-olds in 2008 and 9-year-olds in 2004. By tracking NAEP changes over time in this manner, one can get a rough idea of a particular cohort’s achievement as students grow older and proceed through the school system. Examining three cohorts, Fordham’s analysis shows that the gains between ages 13 and 17 are about half as large as those registered between ages nine and 13. Kids gain more on NAEP when they are younger than when they are older.

There is nothing new here. NAEP scholars have been aware of this phenomenon for a long time. Fordham points to particular elements of education reform that it favors—charter schools, vouchers, and accountability—as the probable cause. It is true that those reforms more likely target elementary and middle schools than high schools. But the research literature on age discrepancies in NAEP gains (which is not cited in the Fordham analysis) renders doubtful the thesis that education policies are responsible for the phenomenon.^[v]

Whether high school age students try as hard as they could on NAEP has been pointed to as one explanation. A 1996 analysis of NAEP answer sheets found that 25-to-30 percent of twelfth graders displayed off-task test behaviors—doodling, leaving items blank—compared to 13 percent of eighth graders and six percent of fourth graders. A 2004 national commission on the twelfth grade NAEP recommended incentives (scholarships, certificates, letters of recognition from the President) to boost high school students’ motivation to do well on NAEP. Why would high school seniors or juniors take NAEP seriously when this low stakes test is taken in the midst of taking SAT or ACT tests for college admission, end of course exams that affect high school GPA, AP tests that can affect placement in college courses, state accountability tests that can lead to their schools being deemed a success or failure, and high school exit exams that must be passed to graduate?^[vi]

Other possible explanations for the phenomenon are: 1) differences in the scales between the ages tested on LTT NAEP (in other words, a one-point gain on the scale between ages nine and 13 may not represent the same amount of learning as a one-point gain between ages 13 and 17); 2) different rates of participation in NAEP among elementary, middle, and high schools;^[vii] and 3) social trends that affect all high school students, not just those in public schools. The third possibility can be explored by analyzing trends for students attending private schools. If Fordham had disaggregated the NAEP data by public and private schools (the scores of Catholic school students are available), it would have found that the pattern among private school students is similar—younger students gain more than older students on NAEP. That similarity casts doubt on the notion that policies governing public schools are responsible for the smaller gains among older students.^[viii]

Writing in the Washington Post, Carol Burris addresses the question of whether demographic changes have influenced the decline in SAT scores. She concludes that they have not, and in particular, she concludes that the growing proportion of students receiving exam fee waivers has probably not affected scores. She bases that conclusion on an analysis of SAT participation disaggregated by level of family income. Burris notes that the percentage of SAT takers has been stable across income groups in recent years. That criterion is not trustworthy. About 39 percent of students in 2015 declined to provide information on family income. The 61 percent that answered the family income question are probably skewed against low-income students who are on fee waivers (the assumption being that they may feel uncomfortable answering a question about family income).^[ix] Don’t forget that the SAT population as a whole is a self-selected sample. A self-selected subsample from a self-selected sample tells us even less than the original sample, which told us almost nothing.

The fee waiver share of SAT takers increased from 21 percent in 2011 to 25 percent in 2015. The simple fact that fee waivers serve low-income families, whose children tend to be lower-scoring SAT takers, is important, but not the whole story here. Students from disadvantaged families have always taken the SAT. But they paid for it themselves. If an additional increment of disadvantaged families take the SAT because they don’t have to pay for it, it is important to consider whether the new entrants to the pool of SAT test takers possess unmeasured characteristics that correlate with achievement—beyond the effect already attributed to socioeconomic status.

Robert Kelchen, an assistant professor of higher education at Seton Hall University, calculated the effect on national SAT scores of just three jurisdictions (Washington, DC, Delaware, and Idaho) adopting policies of mandatory SAT testing paid for by the state. He estimated that these policies explain about 21 percent of the nationwide decline in test scores between 2011 and 2015. He also notes that a more thorough analysis, incorporating fee waivers of other states and districts, would surely boost that figure. Fee waivers in two dozen Texas school districts, for example, are granted to all juniors and seniors in high school. And all students in those districts (including Dallas and Fort Worth) are required to take the SAT beginning in the junior year. Such universal testing policies can increase access and serve the cause of equity, but they will also, at least for a while, lead to a decline in SAT scores.

Here, I offer my own back of the envelope calculation of the relationship of demographic changes with SAT scores. The College Board reports test scores and participation rates for nine racial and ethnic groups.^[x] These data are preferable to family income because a) almost all students answer the race/ethnicity question (only four percent are non-responses versus 39 percent for family income), and b) it seems a safe assumption that students are more likely to know their race or ethnicity compared to their family’s income.

The question tackled in Table 2 is this: how much would the national SAT scores have changed from 2005 to 2015 if the scores of each racial/ethnic group stayed exactly the same as in 2005, but each group’s proportion of the total population were allowed to vary? In other words, the scores are fixed at the 2005 level for each group—no change. The SAT national scores are then recalculated using the 2015 proportions that each group represented in the national population.

Table 2. SAT Scores and Demographic Changes in the SAT Population (2005-2015)

The data suggest that two-thirds to three-quarters of the SAT score decline from 2005 to 2015 is associated with demographic changes in the test-taking population. The analysis is admittedly crude. The relationships are correlational, not causal. The race/ethnicity categories are surely serving as proxies for a bundle of other characteristics affecting SAT scores, some unobserved and others (e.g., family income, parental education, language status, class rank) that are included in the SAT questionnaire but produce data difficult to interpret.

Using an annual decline in SAT scores to indict high schools is bogus. The SAT should not be used to measure national achievement. SAT changes from 2014-2015 are tiny. The downward trend over the past decade represents a larger decline in SAT scores, but one that is still small in magnitude and correlated with changes in the SAT test-taking population.

In contrast to SAT scores, NAEP scores, which are designed to monitor national achievement, report slight gains for 17-year-olds over the past ten years. It is true that LTT NAEP gains are larger among students from ages nine to 13 than from ages 13 to 17, but research has uncovered several plausible explanations for why that occurs. The public should exercise great caution in accepting the findings of test score analyses. Test scores are often misinterpreted to promote political agendas, and much of the alarmist rhetoric provoked by small declines in scores is unjustified.

The 2016 Brown Center Report (BCR), which was published last week, presented a study of Common Core State Standards (CCSS).   In this post, I’d like to elaborate on a topic touched upon but deserving further attention: what to expect in Common Core’s immediate political future. I discuss four key challenges that CCSS will face between now and the end of the year.

Let’s set the stage for the discussion.  The BCR study produced two major findings.  First, several changes that CCSS promotes in curriculum and instruction appear to be taking place at the school level.  Second, states that adopted CCSS and have been implementing the standards have registered about the same gains and losses on NAEP as states that either adopted and rescinded CCSS or never adopted CCSS in the first place.  These are merely associations and cannot be interpreted as saying anything about CCSS’s causal impact.  Politically, that doesn’t really matter. The big story is that NAEP scores have been flat for six years, an unprecedented stagnation in national achievement that states have experienced regardless of their stance on CCSS.  Yes, it’s unfair, but CCSS is paying a political price for those disappointing NAEP scores.  No clear NAEP differences have emerged between CCSS adopters and non-adopters to reverse that political dynamic.

"Yes, it’s unfair, but CCSS is paying a political price for those disappointing NAEP scores. No clear NAEP differences have emerged between CCSS adopters and non-adopters to reverse that political dynamic."

TIMSS and PISA scores in November-December

NAEP has two separate test programs.  The scores released in 2015 were for the main NAEP, which began in 1990.  The long term trend (LTT) NAEP, a different test that was first given in 1969, has not been administered since 2012.  It was scheduled to be given in 2016, but was cancelled due to budgetary constraints.  It was next scheduled for 2020, but last fall officials cancelled that round of testing as well, meaning that the LTT NAEP won’t be given again until 2024.  

With the LTT NAEP on hold, only two international assessments will soon offer estimates of U.S. achievement that, like the two NAEP tests, are based on scientific sampling:  PISA and TIMSS.  Both tests were administered in 2015, and the new scores will be released around the Thanksgiving-Christmas period of 2016.  If PISA and TIMSS confirm the stagnant trend in U.S. achievement, expect CCSS to take another political hit.  America’s performance on international tests engenders a lot of hand wringing anyway, so the reaction to disappointing PISA or TIMSS scores may be even more pronounced than what the disappointing NAEP scores generated.

Is teacher support still declining?

Watch Education Next’s survey on Common Core (usually released in August/September) and pay close attention to teacher support for CCSS.  The trend line has been heading steadily south. In 2013, 76 percent of teachers said they supported CCSS and only 12 percent were opposed.  In 2014, teacher support fell to 43 percent and opposition grew to 37 percent.  In 2015, opponents outnumbered supporters for the first time, 50 percent to 37 percent.  Further erosion of teacher support will indicate that Common Core’s implementation is in trouble at the ground level.  Don’t forget: teachers are the final implementers of standards.

An effort by Common Core supporters to change NAEP

The 2015 NAEP math scores were disappointing.  Watch for an attempt by Common Core supporters to change the NAEP math tests. Michael Cohen, President of Achieve, a prominent pro-CCSS organization, released a statement about the 2015 NAEP scores that included the following: "The National Assessment Governing Board, which oversees NAEP, should carefully review its frameworks and assessments in order to ensure that NAEP is in step with the leadership of the states. It appears that there is a mismatch between NAEP and all states' math standards, no matter if they are common standards or not.” 

Reviewing and potentially revising the NAEP math framework is long overdue.  The last adoption was in 2004.  The argument for changing NAEP to place greater emphasis on number and operations, revisions that would bring NAEP into closer alignment with Common Core, also has merit.  I have a longstanding position on the NAEP math framework. In 2001, I urged the National Assessment Governing Board (NAGB) to reject the draft 2004 framework because it was weak on numbers and operations—and especially weak on assessing student proficiency with whole numbers, fractions, decimals, and percentages.  

Common Core’s math standards are right in line with my 2001 complaint.  Despite my sympathy for Common Core advocates’ position, a change in NAEP should not be made because of Common Core.  In that 2001 testimony, I urged NAGB to end the marriage of NAEP with the 1989 standards of the National Council of Teachers of Mathematics, the math reform document that had guided the main NAEP since its inception.  Reform movements come and go, I argued.  NAGB’s job is to keep NAEP rigorously neutral.  The assessment’s integrity depends upon it.  NAEP was originally intended to function as a measuring stick, not as a PR device for one reform or another.  If NAEP is changed it must be done very carefully and should be rooted in the mathematics children must learn.  The political consequences of it appearing that powerful groups in Washington, DC are changing “The Nation’s Report Card” in order for Common Core to look better will hurt both Common Core and NAEP.

Will Opt Out grow?

Watch the Opt Out movement.  In 2015, several organized groups of parents refused to allow their children to take Common Core tests.  In New York state alone, about 60,000 opted out in 2014, skyrocketing to 200,000 in 2015.  Common Core testing for 2016 begins now and goes through May.  It will be important to see whether Opt Out can expand to other states, grow in numbers, and branch out beyond middle- and upper-income neighborhoods.

Conclusion

Common Core is now several years into implementation.  Supporters have had a difficult time persuading skeptics that any positive results have occurred. The best evidence has been mixed on that question.  CCSS advocates say it is too early to tell, and we’ll just have to wait to see the benefits.  That defense won’t work much longer.  Time is running out.  The political challenges that Common Core faces the remainder of this year may determine whether it survives.

Hypocrisy is not scarce in the world of politics. But the current House and Senate budget resolutions set new lows. Each proposes to cut about $5 trillion from government spending over the next decade in pursuit of a balanced budget. Whatever one may think of putting the goal of reducing spending when the ratio of the debt-to-GDP is projected to be stable above investing in the nation’s future, you would think that deficit-reduction hawks wouldn’t cut spending that has been proven to lower the deficit.

Yes, there are expenditures that actually lower the deficit, typically by many dollars for each dollar spent. In this category are outlays on ‘program integrity’ to find and punish fraud, tax evasion, and plain old bureaucratic mistakes. You might suppose that those outlays would be spared. Guess again. Consider the following:

Medicare. Roughly 10% of Medicare’s $600 billion budget goes for what officials delicately call ‘improper payments, according to the 2014 financial report of the Department of Health and Human Services. Some are improper merely because providers ‘up-code’ legitimate services to boost their incomes. Some payments go for services that serve no valid purpose. And some go for phantom services that were never provided. Whatever the cause, approximately $60 billion of improper payments is not ‘chump change.’

Medicare tries to root out these improper payments, but it lacks sufficient staff to do the job. What it does spend on ‘program integrity’ yields an estimated $14.40? for each dollar spent, about $10 billion a year in total. That number counts only directly measurable savings, such as recoveries and claim denials. A full reckoning of savings would add in the hard-to-measure ‘policeman on the beat’ effect that discourages violations by would-be cheats.

Fat targets remain. A recent report from the Institute of Medicine presented findings that veritably scream ‘fraud.’ Per person spending on durable medical equipment and home health care is ten times higher in Miami-Dade County, Florida than the national average. Such equipment and home health accounts for nearly three-quarters of the geographical variation in per person Medicare spending. Yet, only 4% of current recoveries of improper payments come from audits of these two items and little from the highest spending locations.

Why doesn’t Medicare spend more and go after the remaining overpayments, you may wonder? The simple answer is that Congress gives Medicare too little money for administration. Direct overhead expenses of Medicare amount to only about 1.5% of program outlays—6% if one includes the internal administrative costs of private health plans that serve Medicare enrollees. Medicare doesn’t need to spend as much on administration as the average of 19% spent by private insurers, because for example, Medicare need not pay dividends to private shareholders or advertise.

But spending more on Medicare administration would both pay for itself—$2 for each added dollar spent, according to the conservative estimate in the President’s most recent budget—and improve the quality of care. With more staff, Medicare could stop more improper payments and reduce the use of approved therapies in unapproved ways that do no good and may cause harm.

Taxes. Compare two numbers: $540 billion and $468 billion. The first number is the amount of taxes owed but not paid. The second number is the projected federal budget deficit for 2015, according to the Congressional Budget Office.

Collecting all taxes legally owed but not paid is an impossibility. It just isn’t worth going after every violation. But current enforcement falls far short of practical limits. Expenditures on enforcement directly yields $4 to $6 for each dollar spent on enforcement. Indirect savings are many times larger—the cop-on-the-beat effect again. So, in an era of ostentatious concern about budget deficits, you would expect fiscal fretting in Congress to lead to increased efforts to collect what the law says people owe in taxes.

Wrong again. Between 2010 and 2014, the IRS budget was cut in real terms by 20%. At the same time, the agency had to shoulder new tasks under health reform, as well as process an avalanche of applications for tax exemptions unleashed by the 2010 Supreme Court decision in the Citizens United case. With less money to spend and more to do, enforcement staff dropped by 15% and inflation adjusted collections dropped 13%.

One should acknowledge that enforcement will not do away with most avoidance and evasion. Needlessly complex tax laws are the root cause of most tax underpayment. Tax reform would do even more than improved administration to increase the ratio of taxes paid to taxes due. But until that glorious day when Congress finds the wit and will to make the tax system simpler and fairer, it would behoove a nation trying to make ends meet to spend $2 billion to $3 billion more each year to directly collect $10 billion to 15 billion a year more of legally owed taxes and, almost certainly, raise far more than that by frightening borderline scoff-laws.

Disability Insurance. Thirteen million people with disabling conditions who are judged incapable of engaging in substantial gainful activity received $161 billion in disability insurance in 2013. If the disabling conditions improve enough so that beneficiaries can return to work, benefits are supposed to be stopped. Such improvement is rare. But when administrators believe that there is some chance, the law requires them to check. They may ask beneficiaries to fill out a questionnaire or, in some cases, undergo a new medical exam at government expense. Each dollar spent in these ways generated an estimated $16 in savings in 2013.

Still, the Social Security Administration is so understaffed that SSA has a backlog of 1.3 million disability reviews. Current estimates indicate that spending a little over $1 billion a year more on such reviews over the next decade would save $43 billion. Rather than giving Social Security the staff and spending authority to work down this backlog and realize those savings, Congress has been cutting the agency’s administrative budget and sequestration threatens further cuts.

Claiming that better administration will balance the budget would be wrong. But it would help. And it would stop some people from shirking their legal responsibilities and lighten the burdens of those who shoulder theirs. The failure of Congress to provide enough staff to run programs costing hundreds of billions of dollars a year as efficiently and honestly as possible is about as good a definition of criminal negligence as one can find.

Social Security faces a financial shortfall. If Congress does nothing about it, current projections indicate that benefits will be cut automatically by 21 percent in 2034. Congress could close the gap by raising revenues, lowering benefits, or doing some of both. If benefits seem generous, Congress is likely to lean toward benefit cuts more than revenue increases. If they seem stingy, then the reverse.

Given the split between the two parties on whether to cut benefits or to raise them, evidence on the adequacy of benefits is central to this key policy debate. Those perceptions will help determine whether Social Security continues to provide basic retirement income for workers with comparatively low earnings histories and a foundation of retirement income for most others or it will become just a minimal safety-net backstop against extreme destitution?

Down-in-the-weeds disagreements among analysts often seem too arcane for anyone other than specialists. But sometimes they are too important to ignore. A current debate about the adequacy of Social Security benefits is an example.

The not-so-simple question is this: are Social Security benefits ‘generous’ or ‘stingy’? To answer this question, people long looked to the Office of the Social Security Actuary. For many years that office published estimates of something called the ‘replacement rate’—that is, how high are benefits paid to retirees and the disabled relative what they earned during their working years. A 2014 retiree with median earnings had average lifetime earnings of about $46,000. That worker qualified for a benefit at age 66 of about $19,000, a replacement rate of about 41%. Replacement rates vary with earnings. Dollar benefits rise with earnings, but they rise less than proportionately. As a result, replacement rates of low earners are higher than replacement rates of high earners.

As you might suppose, there are many ways in which to compute such ‘replacement rates. Because of analytical disputes on which method is best, the Social Security trustees in 2014 decided to stop including replacement rate estimates in their annual reports.

In December 2015, the Congressional Budget Office (CBO) offered what it considered a better measure of the generosity of Social Security. It estimated that replacement rates for middle income recipients were about 60%–dramatically higher than the 41% that the Social Security Trustees had estimated.

The gap between the estimates of CBO and those of Social Security is even larger than it seems. To see why, one needs to recognize that to sustain living standards retirees on average need only about 75% to 80% as much income as they did when working. Retirees need less income because they are spared some work-related expenses, such as transportation to and from work. Those are only average of course; some need more, some less.

If one believed the SSA actuaries, Social Security provides median earners barely more than half of what they need to be as well off as they were when working. Benefit cuts from that modest level would threaten the well-being for the majority of retirees who are entirely or mostly dependent on Social Security benefits—and especially for those with large medical expenses uncovered by Medicare.

On the other hand, if one accepted CBO’s estimates, Social Security provids more than three-quarters of the retirement income target. Against that baseline, benefit cuts would still sting, but they would pose less of a threat, and not much of a threat at all for most retirees who have some income from private pensions or personal savings.

When the CBO estimates came out, conservative commentators welcomed the findings and cited CBO’s well-established and well-earned reputation for objectivity. They correctly noted that many retirees have additional income from private pensions, 401ks, or other personal savings, and asserted that there was no general retirement income shortage. By inference, cutting benefits a bit to help close the long-term funding gap would be no big deal. Social Security advocates were put on the defensive, hard-pressed to challenge the estimates of the widely-respected Congressional Budget Office.

But earlier this year, CBO acknowledged that it had made mistakes in its Decameter estimates and revised them. The new CBO estimate put the replacement rate for middle-level earners at around 42%, almost the same as the estimate of the Social Security actuaries, not the much higher level that had sent ripples through the policy community. One conservative analyst, Andrew Biggs, who had trumpeted the initial CBO finding in The Wall Street Journal, promptly and honorably retracted his article.

Two aspects of this green-eyeshade kerfuffle stand out. The first is that policy debates often depend on obscure technical analyses that are, in turn, remarkably sensitive to ‘black-box’ methods to which few or no outsiders have ready access. The second is that CBO burnished its reputation for honesty by owning up to its own mistakes — in this case, a whopping overestimate of a key number. Such candor is all too rare; it merits notice and praise.

But there is a broader lesson as well. Technical issues of comparable complexity surround numerous current political disputes. Is Bernie Sanders’ single-payer plan affordable? Will Marco Rubio’s tax plan cause deficits to balloon? To vote rationally, people must struggle to see through the rhetorical chaff that surrounds candidates’ favorite claims. There is, alas, no substitute for paying close attention to the data, even if they are ‘down in the weeds.’

Editor's note: This piece originally appeared in Fortune.

Today’s announcement of the restoration of diplomatic relations between Washington and Havana replaces over five decades of mutual hostility and aggressive name-calling with a new atmosphere of diplomatic civility. The re-opening of embassies in both capitals establishes platforms upon which to build more normal working relations. Now, the hard work begins, as the two nations gradually dismantle the comprehensive wall of restrictions separating them for two generations.

Expectations are running high, especially in Cuba, that diplomatic engagement will catalyze economic betterment on the island. To stimulate more travel and trade, the U.S. government needs to clarify rules for engaging with the emerging Cuban private sector, and make it clear to U.S. banks that they are permitted to support the use of credit cards by U.S. visitors in Cuba. The administration should also begin to consider another round of liberalizing initiatives, some under consideration in the U.S. Congress, to further relax travel restrictions, and to enable more U.S. firms—beyond agriculture and medicines—to assist the Cuban people.

For its part, the Cuban government should open efficient channels to facilitate the commercial exchanges now authorized by the Obama administration. Cuban entrepreneurs should be permitted ready access to U.S. firms wishing to sell building equipment for construction cooperatives, restaurant supplies for private-owned restaurants, and automotive spare parts for private taxis. Micro-enterprise lending should be authorized to support these emerging non-state enterprises.

If both nations build upon today’s welcome announcement by further opening these channels to travel and commerce, Presidents Barack Obama and Raúl Castro can help to safeguard their joint legacy. By fortifying and expanding constituencies on both sides of the Florida Straits, immersed in daily exchanges to mutual benefit, the two governments can render their diplomatic accomplishment politically irreversible in both capitals.

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Two of the United States' closest traditional allies in the Middle East, Israel and Turkey, have a tumultuous relationship. Once-strong relations soured in the last decade, with the Mavi Marmara flotilla incident in 2010 marking its nadir. Repeated attempts by the United States to mediate have helped move the parties closer together, but the gap is still wide, hindering regional security and impacting U.S. interests. Questions remain about whether the ties between the two former allies be mended and what role the United States can play in managing the relationship.

On March 23, in conjunction with the Friedrich Ebert Foundation, the Center for Middle East Policy (CMEP) at Brookings hosted a discussion examining the relationship between Israel and Turkey. The discussion built on an ongoing dialogue between the Israeli think tank Mitvim, and the Turkish Global Political Trends Center, sponsored by the Friedrich Ebert Foundation, as well as ongoing work by Brookings experts.

Join the conversation on Twitter using #IsraelTurkey

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• Strained alliances: Israel, Turkey, and the United States

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• Uncorrected Transcript (.pdf)

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• 20150323_turkey_israel_transcript