Stephen Colbert makes a complete fool out of G W Bush at a Washington press corps dinner - and makes a few well aimed kicks at the lousy job the media is doing over there (as elsewhere) of holding government to account - 'the fact free zone' as he terms it:

http://video.google.com/videoplay?docid=-869183917758574879

About Colbert himself: http://en.wikipedia.org/wiki/Stephen_Colbert