Secretary of State Hilary Clinton and former President Bill Clinton arrive for the inauguration on the West Front of the U.S. Capitol on Monday, January 21, 2013 in Washington, D.C. (Mark Gail/MCT via Getty Images)
Supreme Court Justices Elena Kagan (top) and Sonia Sotomayor (bottom) greets fellow guests during the presidential inauguration on the West Front of the U.S. Capitol January 21, 2013 in Washington, DC. Barack Obama was re-elected for a second term as President of the United States. (Mark Gail/MCT via Getty Images)
People crowd into the National Mall as they gather to watch US President Barack Obama take the oath of office during the 57th Presidential Inauguration ceremonial swearing-in at the US Capitol on January 21, 2013 in Washington, DC. The oath will be administered by US Supreme Court Chief Justice John Roberts, Jr. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)