c.e. o. of secure bio, a biological consultancy firm. he joins me life, it does seem that the u.s.sn't terribly keep on these inspectors. over the weekend, we have administration officials saying there's no point in these expectations, is there a point after the elapsed time in. >> well, i think there is. we are now a week after the event, there should still be remanence of whatever chemical weapon was used on the ground, in the debris, and hopefully in the delivery means which they should be able to look at it. so -- i think it is crucial, the evidence we have seen thus far, all the videos and everything else is very compelling and very much points toward as chemical attack. however, to make decisions to conduct major strikes on the chemical facilities and all the rest which is being suggested on the basis of videos and others seems to me a little bit extreme. so the evidence that the u.n. inspectors will gain, and vice president biden last night was saying the americans had additional evidence as well, i think the absolutely crucial. before these very major decisions are made, an