International Atomic Energy Agency (IAEA) chief, Yukiya Amano, answers questions in a closed door 90 minute meeting with the U.S. Senate Foreign Relations Committee. The IAEA chief says he cannot disclose details of his investigation into Iran's earlier weapons activities, or the agency's agreement with Iran for the inspection of nuclear facilities. Senator Corker who heads the committee said most senators left the meeting with greater concerns about the inspection process. The IAEA chief cited as reasons for the secrecy, independence of the agency, and what he called "a legal obligation" to protect confidential information. Senator Barroso described the process as one in which an NFL player or athlete is asked to mail in his own urine sample. Of particular concern to senators is the Parchin site where testing ocurred in the early 2000's, which Amano has said Iran is trying to sanitize, and which is not part of this agreement. Iran has not agreed to IAEA requests to interview a Iranian scientist Mr. Fakhrizadeh or other top Iranian military officers and nuclear scientists as part of its probe into past Iranian nuclear activities, Yukiya Amano told the WSJ in an intervew. ...