DUBUQUE, IA - NOVEMBER 03:  U.S. Secret Service agents monitor the crowd as Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign rally at Dubuque Jet Center on November 3, 2012 in Dubuque, Iowa. With less than a week before election day, Romney is campaigning in battleground states across the country.  (Photo by Justin Sullivan/Getty Images) Photo: Justin Sullivan, Getty Images / 2012 Getty Images
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