MacLeod left the Labor-Progressive Party along with the majority of its members following Nikita Khrushchev's Secret Speech at the Twentieth Party Congress of the Communist Party of the Soviet Union that revealed the crimes of Joseph Stalin and the Soviet invasion of Hungary in 1956.
Despite their ideological differences, MacLeod was a personal favourite of Progressive Conservative Premier of Ontario Leslie Frost who gave MacLeod an office on the fourth floor of the legislative building at Queen's Park following his defeat and made him a paid adviser and one of Frost's speechwriters [REF].