Although political dissidents in Yugoslavia enjoy a measure of freedom unusual in Communist countries, they are rarely permitted to travel abroad. Thus it came as a surprise last week when the Belgrade government issued a passport to its most vociferous critic, Milovan Djilas, 75. The internationally renowned author, a founder of Yugoslavia's Communist system and a top aide of the late Josip Broz Tito's, had been denied a passport for nearly 17 years.
The reasons date back to 1953, when Djilas, then Tito's heir apparent, began criticizing the regime he had helped establish. Djilas' denunciations were eventually published abroad in his...