s Organization, 426 U.S. 26, 27, 40, 96 S.Ct. 1917, 1919, EFTA00191845 798 770 FEDERAL REPORTER, 2d SERIES 1926, 48 LEd.2d 450 (1976) (Simon); Worth o. Seldin, 422 U.S. 490, 511, 95 S.Ct. 2197, 2211, 45 LEd.2d 843 (1976) (Worth ); NAACP v. Sutton, 371 U.S. 416, 428, 83 S.Ct. 828, 335, 9 L.Ed.2d 405 (1963