When Facebook, Twitter, YouTube, and Instagram were first introduced to the public, their mission was simple: they were designed to help people become more connected to each other. Social media became a thriving digital space by giving its users the freedom to share whatever they wanted with their friends and followers. Unfortunately, these same digital tools are also easy to manipulate. As exemplified by Russia's interference in the 2016 U.S. presidential election, authoritarian states can exploit social media to interfere with democratic governance in open societies. Tyrants on Twitter: Protecting Democracies from Information Warfare(Stanford UP, 2022) is the first detailed analysis of how Chinese and Russian agents weaponize Facebook, Instagram, Twitter, and YouTube to subvert the liberal international order. In addition to examining the 2016 U.S. election, David L. Sloss explores Russia's use of foreign influence operations to threaten democracies in Europe, as well as China's u...