President Barack Obama, left, hugs former President Bill Clinton, second left, while State Secretary Hillary Rodham Clinton, back right, applauds during a luncheon after his ceremonial swearing-in on Capitol Hill in Washington, Monday, Jan. 21, 2013. Others are first lady Michelle Obama, left, facing away from camera, and Chairman of the Joint Congressional Committee on Inaugural Ceremonies, Sen. Charles Schumer, D-N.Y., center. (AP Photo/Manuel Balce Ceneta)
Gallery: President Obama's second inauguration
Jan. 21, 2013 @ 02:45 PM
Declaring “our work begins today”, President Barack Obama vowed to “finished what we started” four years ago as hundreds of thousands of inauguration-goers gathered on the historic National Mall in anticipation of his oath-taking for a second term.