The decision to pull Stefanik’s nomination came as Republicans grew increasingly anxious about the race to fill the seat of National Security Advisor Mike Waltz on April 1. Polling in the district, which Trump carried by 30 points, had tightened, and the president himself is hosting a tele-town hall there to try and bail out Republican Randy Fine.

Republicans fear they can’t lose the New York congresswoman’s vote in the House as they press to pass tax cuts with their slim majority.