[Perdogg]

I believe it was the around the time of the Columbine murders in 1999. If I recall, CM drop some profanity on the show.

Also, CM was on the anti-Bill Clinton bandwagon during the Lewinsky scandal when Chris had a 30 min show on CNBC.

[archaicoldschool]

I think it was the day of the Columbine massacre and Chris started crying on air.