President Barack Obama does the sign of "The U" as he arrives a campaign event at the University of Miami, Thursday, Oct. 11, 2012, in Coral Gables, Fla. (AP Photo/Lynne Sladky)

 

              President Barack Obama does the sign of "The U" as he arrives a campaign event at the University of Miami, Thursday, Oct. 11, 2012, in Coral Gables, Fla. (AP Photo/Lynne Sladky)
President Barack Obama does the sign of "The U" as he arrives a campaign event at the University of Miami, Thursday, Oct. 11, 2012, in Coral Gables, Fla. (AP Photo/Lynne Sladky)