Members and front organizations must continually embarrass, discredit, and degrade our critics. When obstructionists become too irritating, label them as fascist or Nazi or anti-Semitic. Constantly associate those who oppose us with those names that already have a bad smell. The association will, after enough repetition, become 'fact' in the public mind."
~ Central Committee of the Communist Party, 1943, in an instruction sent to Communists around the world.