Photo Gallery: Presidential Inauguration: Jan. 21, 2012 12/60

President Barack Obama observes the Inaugural parade walk down Pennsylvania Avenue past the White House, Monday, Jan. 21, 2013, in Washington. Thousands  marched during the 57th Presidential Inauguration parade after the ceremonial swearing-in of President Barack Obama. (AP Photo/Steve Helber) ORG XMIT: DCMS182