FILE - In this Oct. 11, 2012, file photo President Barack Obama campaigns at the University of Miami in Coral Gables, Fla. It's either candidate's race to win as Obama and Romney prepar

 

              FILE - In this Oct. 11, 2012, file photo President Barack Obama campaigns at the University of Miami in Coral Gables, Fla. It
FILE - In this Oct. 11, 2012, file photo President Barack Obama campaigns at the University of Miami in Coral Gables, Fla. It's either candidate's race to win as Obama and Romney prepare to dig in for their second debate Tuesday night, Oct. 16, 2012, with just three weeks to go until the election and voting already well under way in many states. (AP Photo/Lynne Sladky, File)