We have killed or maimed thousands of terrorists since 9/11. The Taliban and Al-Qaida is virtually eliminated. How long do you think we should stay in Iraq? The ugly truth is, is that you are not going to kill every single last terrorist in the world. There will always be terrorists regardless if we leave now or stay until the year 3000.
Paul told the NH television station today that he wouldn't withdraw immediately, probably within 2-3 months. That means he'll consult the Pentagon on what should be the best strategy. He's not going to pull the troops out instantaneously. Logistically, it's impossible anyway.