Enrique Alvarez Cordova was the son of one of El Salvador's ruling families. Intelligent, charismatic and above all wealthy, he had nothing to gain--and a great deal to lose--by courting revolution. Yet this young man with all the advantages did just that. Impressed by the poverty and miserable existence of the rural population, Alvarez set about making a change. He spent most of his adult life working for reform within the constraints of the existing system, serving as minister of agriculture under three governments. He turned his own ranch, El Jobo, into a successful workers' cooperative to...