Canadian athletes hold up the national flag during the 2014 Winter Olympics in Sochi, Russia. Sen. Ted Cruz was born in Calgary, and some question his eligibility to run for president in the U.S.
Former Florida Gov. Jeb Bush addresses the audience at his most recent Conservative Political Action Conference appearance in March 2013. Bush is to appear again Friday, as he considers a potential 2016 presidential campaign.
Florida Sen. Marco Rubio's first term ends in 2016. Rubio is considering a presidential run; under Florida law he would not have to file papers to run for re-election until May 2016.
J. Scott Applewhite/AP
President Obama, appearing on The Colbert Report, said,"Look, the election didn't go as it, uh — as I would have liked. You notice, I made a little correction there, I had a little thought bubble."
Texas lieutenant governor hopefuls state Sen. Dan Patrick and state Sen. Leticia Van de Putte shake hands following a September debate. While most eyes are on the governor's race, this contest could have even more political consequence.
Vice President Biden laughs as he is introduced by DNC Chair Rep. Debbie Wasserman Schultz, D-Fla., at the DNC Women's Leadership conference in Washington, Friday. At the event, Biden praised former GOP Sen. Bob Packwood, who resigned from the Senate in 1995 after allegations of sexual misconduct.
Manuel Balce Ceneta/AP
Texas Gov. Rick Perry speaks to local party activists on July 19, in Algona, Iowa. Though his 2012 presidential bid crashed, Perry is now drawing mention as a 2016 contender.
Howard Baker, then a Republican senator from Tennessee and vice chairman of the Senate Watergate investigating committee, questions witness James McCord during a hearing on May 18, 1973.