President Barack Obama, with daughter Sasha, waves as they leave St. John's Church in Washington, Monday, Jan. 21, 2013, followed by first lady Michelle Obama, talking with Rev. Luis Leon, after attending a church service during the 57th Presidential Inauguration. (AP Photo/Jacquelyn Martin)
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.