TELEVISION. CABLE. DENVER Citizens for Open Cable fails to gain enough signatures to get Denver cable franchise issue on ballot. RMN S 3, 1982 p.15. Court rules Francis DeFilippo must honor subpoena in Denver cable TV case. RMN S 17, 1982 p.9 Feature on new cable czar Bill Bradley. RMN S 19, 1982 p.12 Cable petition.by CIVIC rejected by Denver judge John F. Sanchez. RMN S 21, 1982 p.8