Former Alaska Gov. Sarah Palin and husband Todd, greet fair goers during a visit to the Iowa State Fair in Des Moines, Iowa, Friday, Aug. 12, 2011. (AP Photo/Charlie Neibergall)

Associated Press
Former Alaska Gov. Sarah Palin and husband Todd, greet fair goers during a visit to the Iowa State Fair in Des Moines, Iowa,  Friday, Aug. 12, 2011. (AP Photo/Charlie Neibergall)
Former Alaska Gov. Sarah Palin and husband Todd, greet fair goers during a visit to the Iowa State Fair in Des Moines, Iowa, Friday, Aug. 12, 2011. (AP Photo/Charlie Neibergall)
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