Joseph Raymond McCarthy
Joseph Raymond "Joe" McCarthy was an American politician who served as a Republican U.S. Senator from the state of Wisconsin from 1947 until his death in 1957. Beginning in 1950, McCarthy became the most visible public face of a period in the United States in which Cold War tensions fueled fears of widespread communist subversion. Wikipedia*
On the C-SPAN Networks:
Joseph Raymond McCarthy has two videos in the C-SPAN Video Library; the first appearance was a 1952 Broadcast. Most common tag: Communism.