Tonight on HBO by Egantx7

Question 12

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