Another FReeper put it well - "Iraq is like a gigantic Bug Zapper for Al Qaeda in the Middle East. As long as our servicemen and women are fighting there, they're keeping those maniacs out of our cities and towns!"
(Of course this is no guarantee they won't eventually come here as well, but at least our warriors are cutting down their numbers on the battlefield.)
Little General Sheehan can holler all she wants, but the fact is I'd much rather have the battle THERE than HERE.
Common sense and strategy is not a leftys strong suit.
In the 60's, Robert Blake was on Johnny Carson and he was asked his opinion of Viet Nam. Blake replied (paraphrased) " If an armed man is coming in the gate to get your family, do you meet him at your door or at your gate?"