President Barack Obama waves as he walks across the South Lawn of the White House during his return, early Thursday, Aug., 4, 2011 in Washington. Obama traveled to Chicago for a DNC fundraiser and a ... more 
President Barack Obama waves as he walks across the South Lawn of the White House during his return, early Thursday, Aug., 4, 2011 in Washington. Obama traveled to Chicago for a DNC fundraiser and a 50th birthday celebration for Obama. (AP Photo/Pablo Martinez Monsivais) less 
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Associated Press | Photo By Pablo Martinez Monsivais
Thu, Aug 4, 2011 12:46 AM EDT