Between 1994 and 2002, this guy hosted 215 episodes of an eponymous live show on HBO. The second part of this guy's opening monologue was generally a rant which ended with the line "that's just my opinion, I could be wrong". After meeting his guest and hosting a call-in segment, this guy's show would end with a segment where he would tell some comedy with with some current events appearing on a TV monitor, harking back to his days of hosting the "Weekend Update" segment on Saturday Night Live. Identify this comedian whose career went off the rails after he tried to co-host Monday Night Football, and wasn't helped when his politics turned sharply to the right in the era after 9-11.
Dennis Miller