That's not a reasonable answer IMHO because you were able to make a previous decision whether the war was right or wrong or justified at the time Bush invaded. If there was enough information then for you to make a decision than the same goes for now.
Fair enough. The wording of the poll is very ambiguous, but regardless, I'll try to offer an answer to any possible interpretation:
If it was Oct 2002 again, and I had ONLY the information Congress had then, would I have voted for the war?
Yes.
If it was Oct 2002 now, and I had only the incomplete information that is publicly available now, AND I knew that the war would be conducted the exact same way that it has been, would I have voted for the war?
No, because I don't think that the war as conducted has been successful enough (as of yet) to justify the costs.
If it was Oct 2002 now, and I had only the incomplete information that is publicly available now, AND I knew that the war would have been conducted in a much better fashion, would I have voted for the war?
Yes, because this was originally and still may eventually be a "winnable" war.
Regardless, I don't really put much (any) stock in the general public's flash opinion as to how "successful" or "winnable" a war is. It's impossible to evaluate the long-term effect of something that's currently ongoing.
It would be very interesting, I agree. I have no idea how it would turn out other than knowing that the vote would be very different than it was in October 2002.
Very different in that instead of near-unanimous, I bet it'd probably be closer to 2/3 in favor (note that this is assuming we could get anonymous responses, a bunch of politicians might publicly claim that they wouldn't have voted for it simply because they desire to be populists, but in reality would likely have voted for it anyways).