Neo Culpa is a Vanity Fair article giving voice to some "neoconservatives" who are having regrets about this illegal and stupid misadventure (war) in Iraq. It is by David Rose, having had several weeks of conversation with these people, who is reporting that many of them regret the nature of their involvement, and are pointing the finger of blame at the Bush Administration.
One said he assumed that the "most competent national security administration since the Truman administration" would be able to pull this off. But instead they were unable to work together and did the most incompetent job imaginable. Another said the issue is GW Bush was not a decision maker (despite his recent declaration that he's the "Decider"), and instead the government machinery he supposedly ran was really running him.