New cross-national survey data: U.S. domestic politics, particularly polarization, shapes foreign nuclear credibility

A new article by our researcher Lauren Sukin and her colleague Helen Webley-Brown discovers that domestic politics in the U.S. has international consequences in the nuclear realm. Using a cross-national survey experiment in 5 countries (N = 6,009), the article finds that particularly public polarization undermines international trust in U.S. nuclear deterrence, regardless of the party in control.…