A new set of technological tools—some of them now maturing, others poised to emerge over the coming decade—seem destined to wind up in the hands of autocrats around the world. They will allow strongmen and police states to bolster their internal grip, undermine basic rights and spread illiberal practices beyond their own borders. Paul Scharre hosts a discussion with Richard Fontaine and Kara Frederick on their recent article in The Wall Street Journal on these illiberal practices: “The Autocrat's New Tool Kit."