NPR discusses whether former President Donald Trump is losing support among congressional Republicans following a Senate vote that limits his war powers regarding Iran. In the interview, NPR correspondent A. Martínez speaks with Republican political consultant Doug Heye. The focus is on how lawmakers within the Republican Party are reacting after the Senate action, and what that could signal for Trump’s standing with congressional colleagues. Heye addresses the possibility that the vote affects perceptions of Trump’s approach to military authority, and whether congressional Republicans are distancing themselves from him as a result. The discussion centers on internal party dynamics after the war powers vote rather than on the operational details of U.S. Iran policy. Overall, the segment frames the question as one of political consequences: whether the Senate’s decision is translating into reduced backing from congressional Republicans who may prefer different constraints or strategies. It also highlights how party support can shift based on high-profile legislative moves tied to national security authorities.