Obama thanks supporters; Romney concedes

As President Obama wins a second term, his supporters get the party started, while Mitt Romney concedes defeat.

A supporter cheers at the election night party for President Barack Obama Tuesday, Nov. 6, 2012, in Chicago. (AP Photo/Chris Carlson)

A supporter cheers at the election night party for President Barack Obama Tuesday, Nov. 6, 2012, in Chicago. (AP Photo/Chris Carlson)

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