During World War II the U.S. government began the Voice of America, propaganda broadcasts to occupied and enemy nations designed to demoralize the enemy. Enemies of the United States, of course, did the same, especially via broadcasts aimed at advancing U.S. troops. Axis broadcasts drew many listeners among the troops because they often played American popular music between propaganda sermons and misinformation. The nicknames of enemy broadcast announcers became household names by the end of the war: "Tokyo Rose" (Iva Ikuko Toguri), who told the troops their wives and girlfriends were having affairs with other men while they fought; "Axis Sally" (Mildred Gillars), an Ohio woman imprisoned after the war (1.949-1956); "Lord Haw Haw" (William Joyce), who broadcast Nazi propaganda in English with an upper-class British accent and was hanged for treason by the British after the war. The most...