The publication of Nancy MacLean’s Democracy in Chains, a history of the “public choice” economist James Buchanan and his impact on American politics, has led to an enormous, highly charged debate. But as Marshall Steinbaum correctly noted in this journal, not many people have weighed in who aren’t either Team Public Choice or Team Anti-Buchanan. ...

To better understand influence attacks, we proposed an approach that models democracy itself as an information system and explains how democracies are vulnerable to certain forms of information attacks that autocracies naturally resist. Our model combines ideas from both international security and computer security, avoiding the limitations of both in explaining how influence attacks may ...