Nuclear weapons and foreign policy hearings before the Subcommittee on U.S. Security Agreements and Commitments Abroad and the Subcommittee on Arms Control, International Law and Organization of the Committee on Foreign Relations, United States Senate, Ninety-third Congress, second session, on U.S. nuclear weapons in Europe and U.S.-U.S.S.R. strategic doctrines and policies, March 7, 14, and April 4, 1974