Just over a year ago, congressional Democrats took majority control of the US House of Representatives. This column examines the relationship between local exposure to President Trump’s trade war and US voting patterns, and suggests that the producer-side consequences of the trade war may have been responsible for five of the 40 seats lost by Republicans in the 2018 midterm elections. The combination of the trade war and attempts to repeal and replace the Affordable Care Act may have cost the Republicans as many as 15 House seats.