Stephen Colbert's irony filled evisceration of both the White House and the press at the White House Correspondents' Association dinner was merely latest example of how the assembly of talent put together at Comedy Central is the primary source of real dissent on television to the major powers in American media. This article from Salon is the best I've seen so far on Colbert's speech, and summed up what the politicians in Washington should start to realize...
"Make no mistake, Stephen Colbert is a dangerous man -- a bomb thrower, an assassin, a terrorist with boring hair and rimless glasses. It's a wonder the Secret Service let him so close to the president of the United States."