Well, let's assume the world is linear. If we required a certain amount of troops per 25,000 population in the Balkans, if the world is not radically different, something of the same extent is going to be needed in Iraq.
The magnificent army that fought in Desert Storm is a great army, and it still is a magnificent army today. But it was one we designed for the Cold War, and the Cold War has been over for ten years now.
