Minnesota Chamber Gubernatorial Debate Politics St. Paul, Minn. · Aug 18, 2010 Listen Midday Hour 2 for August 18, 2010 Tom Emmer, Mark Dayton, Tom Horner Jim Mone/ASSOCIATED PRESS Gubernatorial candidates Tom Emmer (R), Mark Dayton (DFL) and Tom Horner (IP) debate the issues at Grandview Lodge in Nisswa. Hear the entire debate on Midday.