U.S. President Barack Obama waves after making an acceptance speech... News Photo2012 United States Presidential Election,Agreement,Barack Obama,Chicago - Illinois,Democracy,Election,Government,Horizontal,Illinois,Making,Morning,Night,North,North America,Political Rally,Politics,President,Presidential Election,Speech,The Americas,The Media,US President,USA,United States Presidential Election,Voting,WavingPhotographer Collection: Bloomberg 2012 BloombergU.S. President Barack Obama waves after making an acceptance speech 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