This part of the article seems key: "only the Justice Department and the FBI are permitted to attend its proceedings on domestic surveillance" That is, it loo

This part of the article seems key: "only the Justice Department and the FBI are permitted to attend its proceedings on domestic surveillance" That is, it looks like the NSA is the 'responsible agency' only on foreign communications, and the domestic cases are the responsibility of the FBI, even if the surveillance is carried out by the NSA.