henry man leverett is a former national security official and diplomat and in vienna. telegraph is a form ahead of verification and security policy, the coordination officer at the international atomic energy agency. thank you very much indeed. all of you for being with us topic, i'd like to start with you. why else do you think has a graph iran agreed to this extension, although done just a willingness to hold the talks? well, i think the senior officials are the comic energy organization of iran headed by dr . stella, he who also has is also the vice president of iran. they understand that providing cooperation to the i a e. a as regards nuclear verification is in their hands on interest and that we're the agency to report that it is unable to verify that would play very badly. so the e o y has been cooperating with the i. e a. and i should add that dislike the media talk. the idea is not running blind. iran is still implementing fully. and without any restriction, it's comprehensive safeguards agreement under the nonproliferation treaty, which is the bedrock of inspections. and ev