A MAGIC DECADE OF Italian writing followed the fall of Benito Mussolini's Fascist government and the liberation of Rome in 1944. Ignazio Silone, author of one of the great novels of the 1930s,Bread and Wine, returned from exile. Alberto Moravia, who helped define the modern conscience with his novelThe Time of Indifference, left the mountains outside Rome, where he had been hiding from the Germans. Rome filled with veterans of the partisan war, of...