Obama And Biden Sworn In During Official Ceremony

WASHINGTON, DC - JANUARY 20: U.S. Supreme Court Chief Justice John Roberts Jr. arrives to administer the oath of office to U.S. President Barack Obama in the Blue Room of the White House during the 57th Presidential Inauguration January 20, 2013 in Washington, D.C. Obama and U.S. Vice President Joe Biden were officially sworn in a day before the ceremonial inaugural swearing-in. (Photo by Brendan Smialowski-Pool/Getty Images)