
    No. 80-207.
    No. 80-213.
    No. 80-214.
    CBS, Inc. v. Federal Communications Commission et al.; American Broadcasting Cos., Inc. v. Federal Communications Commission et al.; and National Broadcasting Co., Inc. v. Federal Communications Commission et al.
   C. A. D. C. Cir. [Certiorari granted, ante, p. 950.] Motion of petitioner CBS, Inc., for divided argument granted.  