Pablito is dead. The nickname was long too small for Pablo Milanés, a singer-songwriter a hero of the Cuban Revolution and, in later years, one of its most prominent critics. He started in the tradition of the "filín" singers who modernized the romantic songs of the bolero.Before the revolution triumphed in 1959, he belonged to the bohemian movement of Havana. The revolutionaries played him badly at first. In 1965 they put him in a labor camp. Two years later he...