Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks as he campaigns at Dubuque Regional Airport, in Dubuque, Iowa, Saturday, Nov. 3, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks as he campaigns at Dubuque Regional Airport, in Dubuque, Iowa, Saturday, Nov. 3, 2012. (AP Photo/Charles Dharapak)
In this image made with a fisheye lens, Republican presidential candidate and former Massachusetts Gov. Mitt Romney, center, shakes hands with supporters in a hangar as he campaigns at Dubuque Regional Airport, in Dubuque, Iowa, Saturday, Nov. 3, 2012. (AP Photo/Charles Dharapak)
In this image made with a fisheye lens, Republican presidential candidate and former Massachusetts Gov. Mitt Romney, center, shakes hands with supporters in a hangar as he campaigns at Dubuque Regional Airport, in Dubuque, Iowa, Saturday, Nov. 3, 2012. (AP Photo/Charles Dharapak)
