MARCH 1, 1954 Participants: Senator Charles E. Potter (R-MI) interviewed by Larry Lesueur and Winston Burdett. Topics: Controversy between Secretary of the Army Robert Stevens and Senator Joseph R. McCarthy about the congressional investigation of communists in the military services; need for additional security to protect Congressmen because of assassination attempts; and pending congressional investigations of communist atrocities, prisoners of war, and soldiers missing in action (MIA) in Korea