College Democrats host gubernatorial candidate Mark Dayton St. Thomas Newsroom March 16, 2010 The College Democrats will host gubernatorial candidate and former U.S. Senator Mark Dayton from noon to 1 p.m. Thursday, March 18, in Room 204, O’Shaughnessy Educational Center. Dayton will give a brief lecture on his time in the U.S. Senate and what his vision is for Minnesota. A question-and-answer session will follow. The event is open to all.