This document summarizes a lecture on Western political thought covering several topics:
1) The first and second Red Scares in the US after World War I and World War II, where communist sympathizers were persecuted.
2) Speeches by Attorney General Mitchell Palmer and Senator Joseph McCarthy accusing people of disloyalty and promoting fear of communism.
3) Theories of how elites control and manipulate information flow and public opinion through propaganda and controlling the media narrative. Examples of propaganda films from the Cold War era are discussed.