On 23 September 1947, Nikola Petkov, the last significant opposition leader to the Communist takeover in Bulgaria, was hanged in the Central Prison in Sofia, Bulgaria, sentenced to death after a rigged trial: "Petkov was hanged by the neck and was dead, slowly, as they expected . . . a poor job of it in the eyes of some, though in their eyes: well done, the life of him squeezed out, pulled out, gasped out." The son of a former Bulgarian prime minister...