The July 2024 Trump assassination attempt was followed by lower in-group support for partisan violence and increased group unity.

The attempted assassination of Donald Trump led to widespread concern that the event would escalate political violence between U.S. partisans.

Affective polarization is uniformly distributed across American States.

US partisans view each other with increasing negativity. While many attribute the growth of such affective polarization to nationally cross-cutting forces, such as ideological partisan sorting or access to partisan media, others emphasize the effects of contextual and institutional forces. For the first time, we introduce and explore data sufficiently granular to fully map the extent of partisan animosity across the US states.

Uncommon and nonpartisan: Antidemocratic attitudes in the American public.

Democratic regimes flourish only when there is broad acceptance of an extensive set of norms and values. In the United States, fundamental democratic norms have recently come under threat from prominent Republican officials. We investigate whether this antidemocratic posture has spread from the elite level to rank-and-file partisans.