President Barack Obama arrives on Capitol Hill Steps
Live Coverage: 2013 Presidential Inauguration
»12pm in Washington, D.C. - Barack Obama effectively begins second term as President of the United States.
President Barack Obama and Vice President Joe Biden place a wreath at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va., Sunday, Jan. 20, 2013. (Photo: Susan Walsh, Associated Press)
Vice President Joe Biden being sworn in by Justice Sonya Sotomayor, Jan. 20, 2013