We haven't eliminated the nut - we're screwing around with the nut. We need to shoot the nut in the head and begin leaving, with a threat to return if they screw with us.
Or would you rather we stay there forever, like South Korea, Japan, Germany, Bosnia, Haiti, Phillipines etc. etc.? What are we - the World Occupying Force?
Our basic war strategy is to never fight a war on American soil. Fighting the war in Iraq is simply carrying out that strategy, which, more than anything else, has enabled our country to become what it is today.