Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at Landmark Aviation at The Eastern Iowa Airport in Cedar Rapids, Iowa, Wednesday, Oct. 24, 2012. (AP

 

              Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at Landmark Aviation at The Eastern Iowa Airport in Cedar Rapids, Iowa, Wednesday, Oct. 24, 2012. (AP
Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at Landmark Aviation at The Eastern Iowa Airport in Cedar Rapids, Iowa, Wednesday, Oct. 24, 2012. (AP Photo/Charles Dharapak)