O n a crisp November day in Aspen, Colorado, Rick Perry is stumping for iboga , a psychedelic shrub native to the Congo Basin rainforest in Central Africa known for producing powerful waking dreams. It is the heart of Bwiti, a centuries-old spiritual discipline primarily practiced in Gabon , and recently, the darling of the American psychedelic right. “ Take on the mantle of being the Johnny Appleseed of iboga, every one of you,” the former governor of Texas tells the audience while a