Across Europe and in the US, the political establishment is increasingly frustrated by the dogs who won’t eat the dog food. The latest example is in Germany where the Alternative for Germany (AfD) party continues its rapid rise. Along with the rise of these “populist” parties—which has come to mean any party the establishment does not yet approve of—comes the questioning of democracy itself. I was pained to see Adam Tooze recently flirt with the idea of simply ignoring AfD voters. Tooze’s 2006 book, The Wages of Destruction: The Making and Breaking of the Nazi Economy, included such a deep...