David Black is a freelance writer and reporter, specializing in the analysis of covert action by the secret services. He has contributed to Rolling Stone and dozens of radical publications on political and environmental issues. David is back to discuss some of his writings on the counterculture and history of LSD, in particular the Weather Underground and the Timothy Leary of it all. Recently David has come across a 2,000 page pdf of documentation on the project Mk-ultra and he shares some of what he was able to learn about the program.