Via Jim Henley, a FOIA request unearths a 1999 war game "Desert Crossing" about a military campaign aimed at deposing Saddam Hussein. Various
interesting conclusions in here, but the most interesting one, from my perspective, is the conclusion that "we would have ended up with a failed state even with 400,000 troops on the ground."
This article available online at:
http://www.theatlantic.com/politics/archive/2006/11/foia-i-love-you/40562/