Glenzilla reminds us that somebody certainly could have knowed what the US was getting itself into.
Even aside from dirty hippies, like ex-Marine weapons-inspector Scott Ritter, there was no shortage of voices of sanity.
But I guess that is just looking backwards, which the Village only does in order to say nobody could have known. Unfortunate, perhaps, but what can you do?
Anyway, the war is over now. The President said so.