US President Donald Trump has feuded with Pope Leo XIV over the war on Iran — setting off an unholy row that could have serious political implications for the Republican leader at home. Trump has drawn barbs even from some allies over the attacks on the US-born pontiff, who has criticised the Trump administration over its immigration crackdown, the intervention in Venezuela and the war on Iran. The president risks alienating the religious right in November’s crucial US midterm elections. So f...