Stephen Colbert and Situationism?

Mark Amerika's blog has been talking about Stephen Colbert's recent speech at the White House Correspondents' dinner.

http://professorvj.blogspot.com/2006/05/how-comedy-persona-terrorized-his.html

the post brings up some interesting ideas and links, as well as thoughts about Colbert's performance as a Situationist act of detournement.