Volunteers make signs at President Barack Obama's 2012 re-election campaign headquarters during a media tour of the new facility Thursday, May 12, 2011, in Chicago. The campaign moved in this week to ... more 
Volunteers make signs at President Barack Obama's 2012 re-election campaign headquarters during a media tour of the new facility Thursday, May 12, 2011, in Chicago. The campaign moved in this week to the 50,000-square-foot space just a few blocks from the offices that housed the president's successful 2008 bid. Campaign manager Jim Messina heads the headquarters with 18 months to go before the election. less 
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Associated Press | Photo By M. Spencer Green
Thu, May 12, 2011 2:16 PM EDT