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UNITED STATES - August 17: Republican presidential candidate Sen. Lindsey Graham, R-S.C., oversees the pork chops, beside his sister, Darline Graham Nordone, at the Iowa Pork Producers Association site at the Iowa State Fair in Des Moines, Iowa, Monday, August 17, 2015. (Photo By Al Drago/CQ Roll Call)

UNITED STATES - August 17: Republican presidential candidate Sen. Lindsey Graham, R-S.C., oversees the pork chops, beside his sister, Darline Graham Nordone, at the Iowa Pork Producers Association site at the Iowa State Fair in Des Moines, Iowa, Monday, August 17, 2015. (Photo By Al Drago/CQ Roll Call)

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