Radical American Partisanship: Mapping Violent Hostility, Its Causes, and the Consequences for Democracy

Radical partisanship among ordinary Americans is rising, and it poses grave risks for the prospects of American democracy.

Political violence is rising in the United States, with Republicans and Democrats divided along racial and ethnic lines that spurred massive bloodshed and democratic collapse earlier in the nation’s history. The January 6, 2021 insurrection and the partisan responses that ensued are a vivid illustration of how deep these currents run. How did American politics become s...