No. 18699. February 16, 1968. Harry L. Browne and Jack L. Whitacre of Spencer, Fane, Britt Browne, Kansas City, Mo., for petitioner. John I. Taylor, Atty., N.L.R.B., Washington, D.C., for respondent; Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Herman M. Levy and George B. Driesen, Attys., N.L.R.B., were on the briefs. Jacob Sheinkman, New York City, and John E. Philbin, Chicago, Ill., on brief for intervenor. Before MEHAFFY and