Nos. 574, 575, Dockets 71-1951, 71-2062. Argued March 24, 1972. Decided May 11, 1972. Jack H. Weiner, Washington, D.C. (Peter G. Nash, Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Nancy M. Sherman, Washington, D.C., on the brief), for petitioner. Thomas Canafax, Jr., Washington, D.C. (Shimmel, Hill Bishop, Washington, D.C., and Henry Brickman, New York City, on the brief), for respondent. John T. Redmond, New York City (James H. Tully, Jr., Wood, Redmond Tully, New York City, on the brief)