In 1963 , MacGregor appeared in a satirical revue by Dudley Riggs ' Brave New Workshop . He was a delegate to the 1964 and 1968 Republican National Convention from Minnesota . He was an unsuccessful candidate for U.S. Senator from Minnesota in 1970 , running against former Democratic Vice President Hubert Humphrey . MacGregor was Assistant to Richard Nixon for congressional relations in 1970 , Counsel to the President on congressional relations ( 1971 – 1972 ) , Chairman of the Committee to Re-elect the President ( July to November 1972 ) following John Mitchell 's resignation from the position in the Watergate political scandal
1968 Republican National Convention
1968 Republican National Convention
Clark MacGregor