Barack Obama Sworn In As U.S. President For A Second Term

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Spectators on Pennsylvania Avenue watch the president's limo pass by... News PhotoHorizontal,Human Interest,Inauguration Into Office,Limousine,Parade,Pennsylvania Avenue,Politics,President,Presidential Inauguration,Spectator,USA,Washington DC,WatchingPhotographer Collection: Tribune News Service 2013 MCTSpectators on Pennsylvania Avenue watch the president's limo pass by during the inaugural parade on Monday, January 21, 2013 in Washington, D.C. (Mary F. Calvert/MCT via Getty Images)