Iowa Freedom Summit Features GOP Presidential Hopefuls [Getty Images]

DES MOINES, IA - JANUARY 24: Former Texas Governor Rick Perry speaks to guests at the Iowa Freedom Summit on January 24, 2015 in Des Moines, Iowa. The summit is hosting a group of potential 2016 Republican presidential candidates to discuss core conservative principles ahead of the January 2016 Iowa Caucuses. (Photo by Scott Olson/Getty Images)

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