DULUTH, MN (KDAL) - The two candidates for Congress in the 8th District of Minnesota got together Tuesday morning at the Duluth Playhouse Theater for a debate sponsored by the Chamber of Commerce and Duluth News Tribune.  Questions included the candidates views on Medicare and Social Security, the issue of additional mining on the Iron Range and the best way to get the economy moving again.  The two debated before a well mannered full house.