challenger, jim barksdale and libertarian allen buckley. rick nolan and stuart mills debate from minnesota's 8th district seat. at 9:30, a debate for colorado's 6th congressional district between republican representative mike kaufman and morgan carroll. saturday night at 10:00 on c-span, pennsylvania senate debate between republican senator pat toomey and democrat, katie mcguilty. and at midnight on c-span, the north carolina governors debate between republican governor pat mccrory, democrat roy cooper and libertarian. lon cecil. watch key debates from house, senate and governors races on c-span networks, c-span.org, and listen on the c-span radio app. c-span where history unfolds daily. >> kicking off in about an hour