Brushed aside for decades, a recent conference of scientists focused on the potential uses of LSD and other psychedelics. On this show, guest Randolph Hencken of Multidisciplinary Association for Psychedelic Studies talks about Psychedelic Science for the 21st century. If carefully controlled, should LSD and other psychedelic drugs become available as a tool for addressing psychological problems? If it can be of significant benefit to humankind, why not prescribe?