This week we’re blessed to chat with living legend, ethnobotanist Dennis McKenna – one of the most rigorous scientific intellects working with psychedelics in the modern era, responsible with his late brother Terence for popularizing the techniques for cultivation of psilocybin (“magic”) mushrooms, co-author of numerous books on psychoactive plant and fungal medicines and their curious effects on consciousness, and an outspoken advocate for cognitive liberty psychedelic research.