President Barack Obama waves to volunteers during an unscheduled visit to a local campaign field office, Sunday, Oct. 28, 2012 in Orlando Fla. (AP Photo/Pablo Martinez Monsivais)

 

              President Barack Obama waves to volunteers during an unscheduled visit to a local campaign field office, Sunday, Oct. 28, 2012 in Orlando Fla. (AP Photo/Pablo Martinez Monsivais)
President Barack Obama waves to volunteers during an unscheduled visit to a local campaign field office, Sunday, Oct. 28, 2012 in Orlando Fla. (AP Photo/Pablo Martinez Monsivais)