And Richard Nixon was no conservative.
FDR did promote a socialist agenda in the 1930`s and JFK was a 1960`s liberal on many social issues. Malcom X was a militant Muslim, while Barabra Jordon was a black liberal.
The closest any of those top ten come to being a communist is, Martin Luther King. King was made some supportive remarks about communism during his public career.
Get real.