President Barack Obama (2nd L) shakes hands U.S. Supreme Court Chief Justice John Roberts (R) after the oath of office as first lady Michelle Obama (L), daughter Malia (C) and Sasha (2nd R) looks on in the Blue Room of the White House January 20, 2013 in Washington, DC. Obama and U.S. Vice President Joe Biden were officially sworn in a day before the ceremonial inaugural swearing-in.