President Barack Obama with first last Michelle Obama, Vice President Joe Biden and Jill Biden celebrate on stage at the election night party at McCormick Place, early Wednesday, Nov. 7, 2012, in Chicago. Obama defeated Republican challenger former Massachusetts Gov. Mitt Romney. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

President Barack Obama with first last Michelle Obama, Vice President Joe Biden and Jill Biden celebrate on stage at the election night party at McCormick Place, early Wednesday, Nov. 7, 2012, in Chicago. Obama defeated Republican challenger former Massachusetts Gov. Mitt Romney. (AP Photo/Carolyn Kaster)