Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign stop in Orange City, Iowa, Friday, Sept. 7, 2012. (AP Photo/Nati Harnik)

Associated Press
Republican presidential candidate, former Massachusetts Gov.  Mitt Romney speaks during a campaign stop in Orange City, Iowa, Friday, Sept. 7, 2012. (AP Photo/Nati Harnik)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign stop in Orange City, Iowa, Friday, Sept. 7, 2012. (AP Photo/Nati Harnik)
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