Senator Byron Dorgan (D-ND) will speak about our nation’s polarized political discourse Friday, March 26 at 11 a.m. in Weld Hall Glasrud Auditorium. The topic has broad relevance, covering ethics, political science, mass communications, and speech communications. As you may know, Senator Dorgan announced his retirement in January. He has served in public office since 1968. When he steps down at the end of his current term, he will have served six terms in the U.S. House of Representatives and three terms as a U.S. Senator. Click headline for more information.