No. 12153. Argued November 1, 1968. Decided November 15, 1968. Certiorari Denied March 24, 1969. See 89 S.Ct. 1190. Paul J. Spielberg, Atty., N.L.R.B. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Edith E. Nash, Atty., N.L.R.B., on brief), for petitioner. Lawrence T. Zimmerman, Washington, D.C. (Reilly, Johns Zimmerman, Washington, D.C., Hugh J. Scallon, and Gibson, Dunn Crutcher, Los Angeles, Cal., on brief), for respondent