Material presenting MCI relations with National Association of Regulatory Utility Commissioners [NARUC] starting from introduction of Microwave Communications Inc. to the Special Telephone Committee of NARUC in July 1970. Correspondence relating to regulatory aspects of interconnection and its legislative coordination between FCC and state commissions and to NARUC investigation of the matter [competitive impact hearing]; NARUC 1973, 1974, 1975, 1979, 1980 and 1981 convention meeting materials and 1973 post-meeting analysis by Michael Bader emphasizing NARUC's hostility to competition and to MCI and advising MCI to pay more attention to relations with State Commissioners; 1973 NARUC reports; material of proceeding in the NARUC Committee on Communications 1973-1974 hearing on economic and quality of service impact of competitive telecommunication; NARUC Bulletins for October 1978 and June 1980; remarks by W. McGowan at the 1981 convention.