Article Photos: Time to act, Obama declares, taking oath 2nd time 17/30

President Barack Obama receives the oath of office from Chief Justice John Roberts as first lady Michelle Obama (L-R) and his daughters Malia and Sasha listen at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Monday, Jan. 21, 2013. (AP Photo/Evan Vucci)