In an interview with ABC's This Week, 43-year-old Rubio added fuel to the speculation that he's planning a run for president by telling host Jonathan Karl that he has plenty of experience to hold the country's highest office.

The 2016 hopeful won't say whether or not he's smoked the substance because he feels no good will come from answering the question.

Obama didn't notify members of Congress about the trade until it was happening, but the deal, involving the U.S., Qatar and the Taliban, likely took weeks to engineer.

Paul has placed himself at odds with several possible Republican presidential challengers, including Rubio, whose parents immigrated from Cuba, by aligning himself with the president on this issue.

The jab came after Florida lawmaker Rubio called Paul the 'chief cheerleader of Obama's foreign policy.'

'If that’s what we have to do to get this thing passed, I would be open to it,' he said. 'But I don’t think that’s a wise thing to do.'

Rubio suggested on Wednesday that he was still mulling over his 2016 options. But an adviser says, 'he has told us to proceed as if he is running for president.'

Florida Sen. Marco Rubio is considering a possible presidential run. The incident took place at a 'Team Marco 2016' summit where he was speaking to 300 donors at the Delano Hotel in South Beach.

The Florida senator used a word-association game to turn his fire on the Democrat, who is expected to run for the White House, as he spoke at the CPAC convention in Maryland.

'We need to send very clear leadership from the White House on down through the federal law enforcement,' Christie said. 'And the states should not be permitted to sell it and profit from it.'

The Florida Senator spoke to CBS's Face the Nation after admitting in an interview he would attend the same-sex wedding of a family member or staffer - even if he didn't agree with the decision.

The pair have been political allies for more than a decade but those close to Bush have started quietly spreading negative information about Rubio's record.

GOP presidential candidate Marco Rubio will lay out his foreign policy vision in a speech this afternoon at a forum hosted by the Council on Foreign Relations.

Monday's site is where the US processed Cuban exiles who fled Castro's communist regime. Rubio was accused of embellishing his parents' story to make it seem like they were among them.

At Miami's Freedom Tower, known as the 'Ellis Island of the South,' the 43-year-old Floridian proclaimed that he's all-in for 2016, joining fellow Republicans Ted Cruz and Rand Paul in the contest.

Rubio was spotted at a Washington, D.C. Chipotle, located just steps from the Capitol, this week, furthering the trend that started Monday with Hillary Clinton - who did not tip.

Jeanette Rubio is responsible for 13 of the citations, and four belong to the Republican presidential candidate. The Florida couple has agreed to attend remedial driving school four different times.

The Florida Senator tossed around a pig skin with his sons Dominic and Anthony and other children in a Des Moines suburb this evening. Tomorrow he's taking his family to the fair.

The presidential hopeful was playing catch with his sons and a few Iowans between pork chops at a picnic on Monday night when he let the pigskin slip.

In a speech on foreign policy in South Carolina on Friday, Republican presidential candidate Marco Rubio questioned the totalitarian regimes around the world.

Republican White House hopeful Marco Rubio is facing demands to call off a fundraiser at the Highland Park, TX, home of developer Harlan Crow because of its collection of Nazi memorabilia.

Sen. Marco Rubio of Florida on Friday embraced the 1993 Family and Medical Leave Act and called for expanding it through tax credits to businesses that offer paid leave.

Donald Trump still leads among Republican presidential candidates, but he is now challenged by Carly Fiorina and Marco Rubio while Bernie Sanders widely leads Hillary Clinton.

'You have this clown, Marco Rubio. I've been so nice to him!' Trump said, as boos swallowed the room. He also hammered the truant lawmaker for his record of absences in the Senate.

'He is a very sensitive person. He doesn't like to be criticized. He responds to criticism very poorly,' Rubio told NPR, after Trump hammered him as 'a kid' who 'shouldn't even be running in this race.'

A poll from The Economist and YouGov has the Florida senator pushing past Ben Carson and becoming the first mainstream candidate to threaten Trump's GOP primary dominance.

GOP presidential candidate Marco Rubio on Friday blasted Russian President Vladimir Putin as 'a gangster and a thug,' and vowed to take a hard line against him if he reaches the Oval Office.

New York businessman Donald Trump remains the front-runner in the Republican presidential race, while Ben Carson has solidified his hold on second place.

Sen. Marco Rubio, who has the worst attendance record in the US Senate, proposed a bill on Tuesday to authorize the firing of delinquent Veterans Administration employees

Marco Rubio doesn't want the country to go back in time when picking its next president. To mark 'Back to the Future Day' Rubio's campaign put out an ad calling Hillary Clinton 'a 'blast from the past.'

Odds makers are giving both Florida Sen. Marco Rubio and former Florida Gov. Jeb Bush better odds to win the Republican nomination than the current GOP frontrunner Donald Trump.

Playing it small and safe may not cut it for someone who has the potential to be one of Marco Rubio's biggest donors. Billionaire Paul Singer is wondering whether Rubio can pull off a national campaign.

Obama missed 89.4 of his votes in the last quarter of 2007 while he was a U.S. senator running for president. Rubio has skipped 44.6 per cent since June, the month he launched his own bid.

CNBC's hosts progressively lost control of Wednesday night's event as the GOP field hammered them for asking inaccurate questions and tryign to turn Republican against Republican.

Marco Rubio effectively swatted down questions about his personal finances during last week's presidential debate. His bookkeeping is now the subject of a new review, though.

As Marco Rubio's stock rises among Republican primary voters, the Florida senator is trying to show that his finances are clean as a whistle. Yesterday Rubio released two years of American Express bills.

U.S. senators Marco Rubio of Florida and Rand Paul of Kentucky went into a head-to-head skirmish halfway through Tuesday night's Republican debate over military spending.

'These aren’t disgruntled or dis-empowered people,' he says of the murderers who killed nearly 130 in Paris and allegedly brought down a Russian plane in October. 'These are radical terrorists who want to kill us.'

Marco Rubio's campaign released its first early state television ad this morning and it's the candidate's father who's front and center through the spot, which is the campaign's first $20 ad buy.

Republican presidential hopeful Marco Rubio on Thursday said he has considered life as a presidential father - and likes the idea of the Secret Service watching over his two teenage daughters

Republican presidential hopeful Marco Rubio on Thursday took a subtle swipe at front-runner Donald Trump, by declaring that thorny relations between Is 'not a real estate deal'

Marco Rubio is purposely smacking around Ted Cruz, as the two U.S. senators are rising above the other traditional politicos in the crowded Republican pack, which Donald Trump still leads.

Orlando Cicilia was arrested for his part in the illicit operation in 1987 during Miami's narcotics heyday when Republican presidential hopeful Rubio was just 16.

Will the real Marco Rubio please stand up? Political no-man's land has left the Florida senator with few options other than running directly at Obama and throwing few stones inside his own party.

Gov. Sarah Palin refused to pick between her darlings – Donald Trump and Ted Cruz – at a Republican debate night eve Q&A with CNN's Jake Tapper.

Rising Republicans Marco Rubio and Ted Cruz briefly bickered with one another over the NSA's bulk collection of metadata in the early moments of tonight's Republican debate.

Rubio, pictured, supports a mechanism to allow illegal residents to stay in the country long-term. He's said Cruz's position is 'not much different.' Cruz has likewise accused him of backing amnesty.

Rand Paul became the latest Republican to criticize Marco Rubio for skipping Senate votes as he pursues the presidency, suggesting the Florida senator resign or give back his paycheck.

Last week the Russian president called the GOP front-runner a 'very outstanding' and 'unquestionably talented' man who was the 'absolute leader of the presidential race.'

Marco Rubio's campaign says the candidate's latest ad has struck a chord with American voters and that's why 'elitist members of the media' like MSNBC's Joe Scarborough aren't liking it.