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UNITED STATES - AUGUST 15:  Republican presidential candidate Texas Gov. Rick Perry, right, greets Emma Rickertsen, 7, of St. Charles, Ill., at the Iowa State Fair in Des Moines, Iowa.  (Photo By Tom Williams/Roll Call)

UNITED STATES - AUGUST 15: Republican presidential candidate Texas Gov. Rick Perry, right, greets Emma Rickertsen, 7, of St. Charles, Ill., at the Iowa State Fair in Des Moines, Iowa. (Photo By Tom Williams/Roll Call)

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