President Barack Obama greets supporters at the office of Teamsters local 633 

President Barack Obama greets supporters at the office of Teamsters local 633 in Manchester, N.H., during an unscheduled visit to Saturday, Oct. 27, 2012. (AP Photo/Pablo Martinez Monsivais)
Associated Press
President Barack Obama greets supporters at the office of Teamsters local 633 in Manchester, N.H., during an unscheduled visit to Saturday, Oct. 27, 2012. (AP Photo/Pablo Martinez Monsivais)
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