The U.S. government is heading toward a major crisis of legitimacy—that is, a weak or even fractured consensus among the American people on whether their representatives in Washington truly deserve their allegiance. This crisis is not one that the presidential election is likely to resolve, and it may well lead to more contentious and violent politics in the coming months and years. As I argued recently in Foreign Affairs , U.S. politics has entered an era of violent populism, with historically