Republican presidential hopeful Texas Gov. Rick Perry (left) shakes hands with a supporter as he goes onstage at the Polk County GOP summer picnic event held at the Iowa State Fairgrounds in Des Moines on Saturday. Nati Harnik/AP hide caption

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Texas Gov. Rick Perry, who recently joined the GOP presidential race, speaks Thursday with patrons at Popovers in Portsmouth, N.H. Darren McCollester/Getty Images hide caption

itoggle caption Darren McCollester/Getty Images

Texas Gov. Rick Perry announces that he will run for the Republican presidential nomination, in Charleston, S.C., on Saturday. Richard Ellis/Getty Images hide caption

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Texas Gov. Rick Perry speaks at the Texas Education Agency Administrators' Midwinter Conference in Austin, Texas, in 2001. Deborah Cannon/AP hide caption

itoggle caption Deborah Cannon/AP