Mississippi Gov. Haley Barbour walks through the Iowa Statehouse before speaking to the Iowa Federation of Republican Woman March 15, in Des Moines, Iowa. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

Mississippi Gov. Haley Barbour walks through the Iowa Statehouse before speaking to the Iowa Federation of Republican Woman March 15, in Des Moines, Iowa. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP