451 U.S. 704 451 U.S. 704 101 S.Ct. 2102 68 L.Ed.2d 558 H. A. ARTISTS & ASSOCIATES, INC., et al., Petitioners,v.ACTORS’ EQUITY ASSOCIATION et al. No. 80-348. Argued March 23, 1981. Decided May 26, 1981. Syllabus Respondent union, which represents most of the stage actors and actresses in the United States, has entered into collective-bargaining […]