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DES MOINES, IA - OCTOBER 31: Republican presidential candidate Sen. Lindsey Graham (R-SC)  speaks at the Growth and Opportunity Party, at the Iowa State Fair October 31, 2015 in Des Moines, Iowa. (Photo by Steve Pope/Getty Images)
DES MOINES, IA - OCTOBER 31: Republican presidential candidate Sen. Lindsey Graham (R-SC)  speaks at the Growth and Opportunity Party, at the Iowa State Fair October 31, 2015 in Des Moines, Iowa. (Photo by Steve Pope/Getty Images)

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