Article Photos: Leahy sworn in as president pro tempore of Senate 1/2

Vice President Joe Biden, right, reenacts the swearing in of Sen. Patrick Leahy, D-Vt., as President Pro Tempore of the Senate on Capitol Hill in the Old Senate Chamber in Washington, Tuesday, Dec. 18, 2012. Leahy's wife, Marcelle Pomerleau, watches from the middle. (AP Photo/Susan Walsh)