No. 19156. Argued November 21, 1966. Decided March 3, 1967. Petition for Rehearing en Banc. Denied April 4, 1967. Certiorari Denied October 9, 1967. See 88 S.Ct. 82. Mr. John A. Fillion, Detroit, Mich., with whom Messrs. Stephen I. Schlossberg, Washington, D.C., Bernard F. Ashe, Detroit, Mich., Joseph L. Rauh, Jr., and John Silard, Washington, D.C., were on the brief, for petitioner. Mr. Allison W. Brown, Jr., Atty., N.L.R.B., with whom Messrs. Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate