Iowa Republican senatorial candidates, from left, retired CEO Mark Jacobs, Ames businessman Scott Schaben, State Sen. Joni Ernst, college professor Sam Clovis and former U.S. Attorney Matt Whitaker ... more 
Iowa Republican senatorial candidates, from left, retired CEO Mark Jacobs, Ames businessman Scott Schaben, State Sen. Joni Ernst, college professor Sam Clovis and former U.S. Attorney Matt Whitaker stand on stage before a live televised debate at KCCI-TV studios, Thursday, May 29, 2014, in Des Moines, Iowa. (AP Photo/Charlie Neibergall) less 
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Associated Press | Photo By Charlie Neibergall
Thu, May 29, 2014 8:12 PM EDT