Hart, Gary Warren Denver lawyer works for Sen. George S. McGovern. RMN Ja 10, 1971 p,19 National director for Sen. McGovern hopes to return to Denver soon. Post Jy 2; 1972 p.51 Speculates on reasons for McGovern defeat. Pic. RMN N 19, 1972 p.8 Denver attorney begins campaign for 1974 Democratic nomination for Colorado U. S. Senate seat. P,MN S 7, 1973 p.8 Political profile. Post S 16, 1973 p.57