Is artificial intelligence a global killer or an emerging technology which, if properly harnessed, can improve mankind? And what’s the significance of a low-level National Guard member being able to expose US military secrets? Hoover senior fellows Niall Ferguson, H.R. McMaster, and John Cochrane discuss the promise and perils of ever-improving AI and what if any damage came from the so-called “Geeky Leaks” scandal, plus their views on marijuana legalization as the world braces for the annual “420 Day” celebration.