ambassador edleman, let me start with you. president trump called this a cover-up today. secretary of state mike pompeo talked about visa revocations and also plans for sanctions. is the response from the u.s. today appropriate giventhhe nature ocrime and the seriousness of this crisis? is well, nick, i think it appropriate. i think the administration at the outset was trying to put the best possible face on this because of the importance it attacheso the u.s.-saudi relationship, but i think they bcognize now that there is a head of steilding up on the hill. there are a lot of people who have supported the kingdom saudi arabia and its relationship with the united states in the past, like lindsey graham, who are quite concerned about this, and i think the administration is trying to get ahead of what will undoubtedly be aimportant push r sanctions. i'm not sure they're going to be able to get ahead of tha because as your piece noted, auis is major crisis in the u.s. relationship, certainly the biggest one since 9/11. if evidence is found tat actually links mohammad bin lin