I can remember when I was National Security Adviser, the intelligence community told us... they put out an intelligence report saying that Iran would never back off from attacks on shipping in the Gulf if we use force.
On bad days, I think I'd like to be a plastic surgeon who goes to Third World countries and operates on children in villages with airlifts, and then I think, 'Yeah, right, I'm going to go back to undergraduate school and take all the biology I missed and then go to medical school.' No. No.