Read other letters about this article
http://www.amazon.com/Feet-Fire-Media-After-Journalists/dp/1591023432/ref=pd_bbs_sr_1/103-8740797-7777447?ie=UTF8&s=books&qid=1175262744&sr=8-1
Feet to the Fire: The Media After 9/11, Top Journalists Speak Out (Hardcover)
I'm only about 1/2 way through it but it does provide a decent post-mortem on the Pre-war Iraq coverage including interviews with people who defend their pre-war coverage.
I agree that there's always a danger of oversimplifying the problem and I admire your willingness to tackle the issue head-on.