President Barack Obama greets singer Beyonce on the West Front of the Capitol in Washington, Monday, Jan. 21, 2013, after she sang the National Anthem during the president's ceremonial swearing-in ceremony during the 57th Presidential Inauguration. (AP Photo/Win McNamee, Pool)
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.