In this photo taken Wednesday, Sept. 5, 2012, Democratic U.S. Senate candidate Heidi Heitkamp speaks at the Radisson Hotel in Bismarck, N.D., during a debate with Republican Senate rival Rick Berg. Heitkamp and Berg are running for the Senate seat being left open by the departure of incumbent Democrat Kent Conrad, and Berg is considered crucial to GOP hopes of capturing control of the U.S. Senate. (AP Photo/Dale Wetzel).
