The Ukrainian military is experimenting with ibogaine, a psychedelic drug banned in the U.S. but often used to treat opioid use disorder elsewhere, to treat traumatic brain injury and promote battle readiness. To do so, it is partnering with a founder of the Yippie movement, Irvin Dana Beal, a longtime ibogaine advocate. Beal recently traveled to Ukraine to help launch the project. Oleksii Skyrtach, a Ukrainian military psychologist attached to the 57th Motor Infantry Brigade, provided Beal with a letter for immigration authorities to help him move through customs with the drug. Ibogaine’s most famous American patient may well be...