U.S. President <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Barack+Obama&family=editorial&specificpeople=203260 ng-click='$event.stopPropagation()'>Barack Obama</a>, second left, waves to the crowd with First Lady <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Michelle+Obama&family=editorial&specificpeople=2528864 ng-click='$event.stopPropagation()'>Michelle Obama</a>, left, U.S. Vice President Joseph 'Joe' Biden, second right, and his wife <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Jill+Biden&family=editorial&specificpeople=997040 ng-click='$event.stopPropagation()'>Jill Biden</a> during an election night rally in Chicago, Illinois, U.S., in the early morning on Wednesday, Nov. 7, 2012. Obama, the post-partisan candidate of hope who became the first black U.S. president, won re-election today by overcoming four years of economic discontent with a mix of political populism and electoral math. Photographer: Daniel Acker/Bloomberg via Getty Images