Central Intelligence Agency Exemptions : Hearings Before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-sixth Congress, Second Session, H.R. 5129, H.R. 7055, and H.R. 7056 To Enhance the Foreign Intelligence and Law Enforcement Activities of the United States by Improving the Protection of Information Necessary to Their Effective Operation, February 20 and May 29, 1980