C. A. 5th Cir. [Certiorari granted, ante, p. 1016.] Motion of the Solicitor General for leave to participate in oral argument as amicus curiae, for divided argument, and for additional time for oral argument denied. Motion of Federation of Greater Baton Rouge Civic Associations Inc. for leave to participate in oral argument as amicus curiae, for divided argument, and for additional time for oral argument denied.