AMES, IA - OCTOBER 30: Republican candidate for the U.S. Senate, Joni Ernst, speaks at a rally upon the completion of her tour of all of Iowa's 99 counties on October 30, 2014 in Ames, Iowa. Ernst is in a tightly contested Senate race against Democratic Challenger Bruce Braley to fill the vacant seat of retired Senator Tom Harkin. (Photo by Steve Pope/Getty Images)
