Wanna bet?
Germany, Japan, North Korea.
We're still there.
'Touche.
Alright, I'll re-phrase -- given our already-existing commitments, I don't think we can afford a massive permanent presence in Iraq when we're running $500 billion dollar deficits.
I could be wrong, but I think it'll cause a serious budget crisis if we attempt to stay (to say nothing of the ongoing casualties).