Vice president Vance on Thursday blamed the Iran war for Republicans' poll drubbing after they lost control of both chambers of Congress. JD Vance attributes Republican losses in 2026 midterms to Iran war; Trump partially agrees but defends military action as necessary. US Vice-President JD Vance says the Iran war drove some 2024 Trump voters towards Democrats, blaming the conflict for the Republican Party’s losses in the 2026 midterm.