Former U.S. Senate Majority Leader Howard Baker looks to the stage during "A Century of Service" honoring him and Sen. Bob Dole at Mellon Auditorium, Wednesday, in March 2012. Baker's death was announced on Thursday.
Colorado Republican Rep. Cory Gardner officially announces his candidacy for the U.S. Senate at Denver Lumber Co. on March 1. Gardner will run against Democratic incumbent Mark Udall.
Sens. John McCain, R-Ariz., and Charles Schumer, D-N.Y., shared the pleasure that came with the Senate passing its immigration bill. The House could soon ruin their happiness.
Sen. Lindsey Graham of South Carolina voices his opposition to President Obama's choice of former Sen. Chuck Hagel of Nebraska as secretary of defense, on Capitol Hill last week.
J. Scott Applewhite/AP