No. 11961. Argued April 4, 1968. Decided September 27, 1968. Fred R. Kimmel, Atty., N.L.R.B. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Allison W. Brown, Jr., Atty., N.L.R.B., on brief) for petitioner. Ernest W. Machen, Jr., Charlotte, N.C. (Blakeney, Alexander Machen, Charlotte, N.C., on brief) for respondent. Morgan C. Stanford, Atlanta, Ga. (Adair, Goldthwaite, Stanford Daniel, Atlanta, Ga., Irving Abramson, Gen. Counsel