Sen. Marco Rubio, R-Fla., listens at left as Republican presidential candidate Mitt Romney speaks in Aston, Pa., in April. Republican leaders from Jeb Bush to John McCain have touted Rubio for vice president.
Among the Tea Party successes in the 2010 congressional elections was U.S. Sen. Mark Rubio of Florida. The Cuban-American is a plus for Republicans, a party that polls show has been losing ground with Hispanics.
July 26, 2012 New Jersey Gov. Chris Christie has been mentioned as a long-shot choice to be Mitt Romney's running mate. The first-term governor's brash style has earned him fans in the GOP. But critics say he could be a bit too outspoken to be No. 2 on the ticket.
July 24, 2012 Among those on Mitt Romney's list of potential running mates, Rep. Paul Ryan of Wisconsin has youth and experience. He's a conservative from a swing state, and he has big ideas and the policy chops to back them up. But the House Budget Committee chairman's fiscal ideas might cost Romney with independents.
July 22, 2012 Putting Mike Huckabee on the GOP ticket this year as Mitt Romney's running mate could certainly liven up the presidential race. The former Arkansas governor is likable, experienced and even plays bass. But as someone who claims to focus on conversation, not confrontation, would he go on the attack for Romney?
July 20, 2012 Louisiana Gov. Bobby Jindal is an Indian-American with a compelling life story. At 41, he's already had a successful political career. He could also add some buzz to the GOP ticket. But his 2009 moment in the spotlight has some Republicans worrying whether he's ready to be vice president.
July 19, 2012 Former Minnesota Gov. Tim Pawlenty is the son of a truck driver, an evangelical Christian, a former presidential candidate, and for months now a loyal surrogate for Republican Mitt Romney. He's also considered a top contender to become Romney's pick for vice president.
July 18, 2012 As the guessing game continues about Mitt Romney's choice of a vice presidential running mate, Ohio Sen. Rob Portman invariably comes up as a top contender. With a wealth of experience in Washington and beyond, the well-liked Portman would be considered a safe pick.
June 20, 2012 The contours of the Republican veepstakes have shifted this week. Former Minnesota Gov. Tim Pawlenty's stock seems to be rising, while conflicting reports about whether Florida Sen. Marco Rubio is being vetted have muddied the waters. Here, a look at the potential contenders.