In a key step toward unravelling the secret history of the Cold War, the U. S. Senate last week released 50-year-old executive hearings on subversion and internal security matters conducted by Sen. Joe McCarthy (R.-Wis.). Running to more than 4,000 pages, these hearings are crammed with backstage data on a host of once-torrid issues—including controversial McCarthy sessions on the Voice of America, United States Information Agency libraries, State Department personnel, and the Army Signal Corps installation at Fort Monmouth, N.J., to name a few. The last is of special interest as it was the prelude to the famous Army-McCarthy fracas...