ARTICLE: "White House Said to Debate '08 Cut in Troops by 50%," by David E. Sanger and David S. Cloud, New York Times, 26 May 2007, p. A1.
Like Zinni, I don't think we leave Iraq for another 5-7 years, but we will draw back, as I said in "State of the World."
The only way we can stay in Iraq is to reduce casualties. So numbers nearby (Kurdistan, Kuwait), SysAdmin in the background (train Iraq's military and police) and Leviathan doing it's thing in the shadows (SOF).