President Barack Obama greets the crowd after a campaign stop at the 

President Barack Obama greets the crowd after a campaign stop at the historic Fire Station No.1, in downtown Roanoke, Virginia, Friday, July 13, 2012. Obama traveled to southwest Virginia to discuss choice in this election between two fundamentally different visions on how to grow the economy, create middle-class jobs and pay down the debt. (AP Photo/Don Petersen)
Associated Press
President Barack Obama greets the crowd after a campaign stop at the historic Fire Station No.1, in downtown Roanoke, Virginia, Friday, July 13, 2012. Obama traveled to southwest Virginia to discuss choice in this election between two fundamentally different visions on how to grow the economy, create middle-class jobs and pay down the debt. (AP Photo/Don Petersen)
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