On the moonlit evening of September 12, 1970, an ex-Harvard professor with a genius I.Q. studies a twelve-foot high fence topped with barbed wire. A few months earlier, Dr. Timothy Leary, the High Priest of LSD, had been running a gleeful campaign for California governor against Ronald Reagan. Now, Leary is six months into a ten-year prison sentence for the crime of possessing two marijuana cigarettes.