whoa... Coworker told me about this one: Stephen Colbert hard-hitting at the White House Correspondents' dinner. Watch and have your chin drop via two links here. Read the transcript at Daily Kos. Check out the much-cited Editor & Publisher article.
Gutsy guy. I haven't seen the press secretary audition bit with Helen Thomas yet, but I'm much looking fwd to it.
EDIT: Saw the rest---I love the part when the smile goes off his face as Thomas gets into her question.
And here's a good piece on the bit at Peter Daou's round-up column at Salon---Ignoring Colbert: A Small Taste of the Media's Power to Choose the News.