No. 19106. June 22, 1962. Marcel Mallet-Prevost, Asst. Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Alfred Brummel, Atty., Stuart Rothman, Gen. Counsel, Rosanna A. Blake, Atty., National Labor Relations Board, Washington, D.C., for petitioner. Karl Mueller, Harold E. Mueller, Mueller Mueller, Fort Worth, Tex., for respondent. Before RIVES, BROWN and WISDOM, Circuit Judges. WISDOM, Circuit Judge. This case presents the question whether it is an unfair labor practice for an employer to