This essay has rightly been linked too all over the place. Just in case you haven't seen it, here's LTC Ryan on media bias and Iraq:
I play the guitar, but Bruce Springsteen doesn't listen to me play. Why should I be subjected to his views on the validity of the war? By profession, he's a guitar player. Someone remind me what it is that makes Sean Penn an expert on anything. It seems that anyone who has a dissenting view is first to get in front of the camera. I'm all for freedom of speech, but let's talk about things we know. Otherwise, television news soon could have about as much credibility as "The Batchelor" has for showing us truly loving couples.