Hillary Clinton begins to speak as her husband, former President Bill Clinton, moves to take a seat after introducing her at the Clinton Global Initiative on Sept. 22, 2014, in New York.
President Obama, seen shaking hands with Raul Castro at the Summit of the Americas in Panama, engaged in the first substantive face-to-face U.S.-Cuba talks in more than 50 years.
Marco Rubio celebrates onstage with his family in 2010 after winning his U.S. Senate seat in Florida when he was just 39 years old. Now, he's expected to embark on a run for president.
Sen. Charles Schumer of New York stands a podium March 3 as Senate Minority Leader Harry Reid of Nevada looks on. Reid is backing Schumer to be his replacement as Democratic leader.
J. Scott Applewhite/AP