Sergio Diaz-Briquets is executive director of the Council for Human Development in Alexandria, Virginia and vice president of Casals and Associates, a Washington area-based consulting firm. He is the co-author (with Jorge Perez-Lopez) of Conquering Nature: The Environmental Legacy of Socialism in Cuba. CHARLES C. CHENEY IS SENIOR RESEARCHER AT THE COUNCIL FOR HUMAN DEVELOPMENT. HE HASA BEEN A CULTURAL ANTHROPOLOGIST FOR OVER THIRTY YEARS AND HAS SERVED AS PRESIDENT OF THE WASHINGTON ASSOCIATION OF PROFESSIONAL ANTHROPOLOGISTS.