are not members of a union. Scott v. Moore. 461 F. Supp. 224 (E.D.Tex.1978): members of the teaching profession who talk or associate with the CIA. Selzer v. Berkowitz. 459 F. Supp. 347 (E.D.N.Y.1978): and students who exercise their first amendment rights by joining certain organizations. Brown v Vill

are not members of a union, Scott v. Moore, 461 F. Supp. 224 (E.D.Tex.1978): members of the teaching profession who talk or associate with the CIA, Selzer v. Berkowitz. 459 F. Supp. 347 (E.D.N.Y.1978); and students who exercise their first amendment rights by joining certain organizations. Brown v. vil