conditions to one in which you had to make immediate changes based upon a date certain? >> senator, as a matter of professional advice, i would advice any leader, don't put date certains on end dates. make things conditioned based. two presidents in a row put dates on it. i don't think that's -- my advice is don't put specific dates. make it conditions based. that's how i've been trained. with respect to the 31st, the risk to mission and to force and most importantly the risk to the american citizens remaining, that was going to go up, not down on the first of september. and the american citizen, i know there's american citizens there, but there would have been