this. and i have to say i'm really impacted by the story we just heard by ayesha who is at the airport. add it to, david, in this moment of crisis, we don't know how many americans are still left in afghanistan tonight. i am wondering how that is possible. what did you think when you heard that today? >> well, it's horrible. the stories are horrible to hear. this is a tragic situation, and a horrifying in so many instances. but i think certainly this was something that could be anticipated. there's no clean way to withdraw in a country like afghanistan. and that's what you're seeing. i think the priority by this administration, i think he says it, which is they wanted to get out of afghanistan. don't forget when, during the obama presidency, it was his vice president, joe biden, who