Scientists, historians, advocates and adversaries all have their say in this A&E series on illegal drugs. "Cocaine: The Third Scourge" describes how coca leaves from South America become the 15 million tons of cocaine reaching the United Stat es each year. Mariani wine, tonics and cocaine in the original formula for Coca-Cola are traced. Racism in drug laws are also noted. "LSD, Ecstasy and the Raves" profiles current illegal drug culture. Biological effects of Ecstasy, M.D.M.A., chan ges in drug laws, G.H.B. Filmmaker Tom Yaroschuk; narrator Barbara Rosenblat. A&E Television Networks. Closed captioned.