Former Massachusetts Gov. Mitt Romney, the Republican presidential nominee, greets excited supporters as he arrives for a campaign rally at the U.S. Cellular Center in Asheville, N.C., on Thursday. (The Associated Press)

Former Massachusetts Gov. Mitt Romney, the Republican presidential nominee, greets excited supporters as he arrives for a campaign rally at the U.S. Cellular Center in Asheville, N.C., on Thursday. (The Associated Press)