5 of 44: Army Major General Michael Linnington, Joint Forces Headquarters, National Capitol Region, center, leads President Barack Obama and first lady Michele Obama, and Vice President Joe Biden and his wife Jill Biden, to their positions to review the troops following the 57th Presidential Inauguration at the U.S. Capitol in Washington, Monday, Jan. 21, 2013. (AP Photo/Cliff Owen) (AP Photo/ Cliff Owen)

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