US President Barack Obama speaks during a campaign event July 13, 2012 outside Roanoke Fire Station #1 in Roanoke, Virginia. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)
US President Barack Obama speaks during a campaign event July 13, 2012 outside Roanoke Fire Station #1 in Roanoke, Virginia. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)