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UNITED STATES - August 17: A fairgoer takes a selfie with Republican presidential candidate Rick Perry in the background at the Iowa State Fair on Tuesday, August 18, 2015 in Des Moines, Iowa. (Photo By Al Drago/CQ Roll Call)

UNITED STATES - August 17: A fairgoer takes a selfie with Republican presidential candidate Rick Perry in the background at the Iowa State Fair on Tuesday, August 18, 2015 in Des Moines, Iowa. (Photo By Al Drago/CQ Roll Call)

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