Nos. 19492, 19507. Argued March 22, 1966. Decided May 19, 1966. Certiorari Denied October 10, 1966. See 87 S.Ct. 90. Mr. Michael H. Gottesman, Washington, D.C., with whom Mr. Elliot Bredhoff, Washington, D.C., was on the brief, for petitioner in No. 19,492. Mr. Donald C. Winson, Pittsburgh, Pa., of the bar of the Supreme Court of Pennsylvania, pro hac vice, by special leave of court, with whom Messrs. Bartholomew A. Diggins, Daniel W. Sixbey, Washington, D.C., and Paul R. Obert, Pittsburgh, Pa.,