Thirty years ago, the Reverend Jim Jones led 900 of his followers to their deaths. Why did it happen and could a tragedy of this magnitude happen again? We’ll talk with journalist Tim Reiterman who covered Jonestown for the San Francisco Examiner. His book “RAVEN: The Untold Story of the Rev. Jim Jones and His People” (Tarcher Penguin, Paperback, 2008) has just been reissued.