they're not going to allow themselves to be drawn back into an unbounded mission that exposes americans again to further risks. if anything, and it's hard to say this explicitly today, but they see this as a kind of, i would say, a kind of hideous confirmation of why they're so determined to pull out. because the risks of staying longer, of trying to figure out a short-term solution are not as obvious as it might seem just casually looking at it from the outside. >> it is a sickening day. evan, appreciate it. thank you very much. coming up next, the group isis-k that we talked much about tonight has claimed responsibility for the attacks in kabul. coming up -- i'll talk to the pulitzer prize winner author of a definitive book about isis. discover card i just got my cashback match is this for real? yup! we match all the cash back new card members