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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)

Associated Press
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)
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