now we're joined by scott lucas, the emphasis professor at university of birmingham, and he's joining us from that by skype. great. so have you with us on the news or let's talk about the politics of this. do you think you'll binds his rights in his calculation that americans just looking at those in the usa, they aren't going to be troubled by afghan, asked on, as long as all those americans are a list. because that does seem to be the pragmatic political approach that he's taking. i can't tell you if joe biden is right or wrong. what i can do is, as an analyst tell you that joe, by noon is advisors when the age plan this withdrawal and to withdraw quickly from afghanistan this summer. they price $10.00, that there would be a short term shock. they had the intelligence reports that the taliban were going to take over, were likely to take over. i'll be at possibly not as quickly as turned out to be. but they thought that by labor day, this mark or 1st monday in september, in the united states, that attentions would have turned elsewhere for americans back to the economy. to the corona