because essentially, the thinking inside the white house is that the longer we're there, the more we have a potential terrorist attack by isis-k or these other organizations they have been monitoring for several days now. and also as the drawdown goes on of course the number of u.s. force that's are there gets smaller. that is a concern for the white house as well because the smaller the forces are the potential and greater threat they face given there are fewer of them actually on the ground. so that is something that they're going to be watching as this drawdown happens because, yes, a few hundred troops did start leaving today but it is going to be more and more of course over the next seven days. there is a period where the evacuations will stop before that 8-31 deadline actually approaches. and that will be really focused on getting the troops out of there and getting the weaponry out of there and getting the machinery out of there. of course that is a concern for the white house. that is what they're keeping an eye on. but you're hearing from lawmakers including with two veterans who are democrats who went on a secret mission to afghanistan in recent days and they say that they do not think