C. A. 9th Cir. [Certiorari granted, ante, p. 979.] Motions for leave to file briefs as amici curiae filed by the following are granted: UNDA-USA, National Catholic Association for Broadcasters & Allied Communicators; Office of Communication of United Church of Christ et al.; National Association of Broadcasters; Mountain States Telephone & Telegraph Co. et al.; Wisconsin Bell, Inc.; and National Federation of Cable Programmers et al.