HH: Now you also write in the article that we must, that you dismiss the idea it will get worse if we leave.
WO: No, I said it doesn’t matter how bad it gets, it’s not going to get better by us staying there.
I don't think it can get much more clear than that. If we stay, more Iraqis die and more Americans die, if we leave more Iraqis die (but maybe not as many as will die if we stay) and no more Americans die. That's a shitty choice, but it's a hell of a lot better than waiting until the military is completely broken and Bush has gotten thousands more killed.