Every time you think the regime of Donald Trump can stoop no lower, it manages to do something even more sordid to show contempt for America’s traditional allies and the global fight for democracy. On Friday his awful vice-president JD Vance, behaving like a far-right agitator, sought to fan flames of bigotry and division in our nation with a vile social media post in the wake of a disturbing murder. Then former Fox News pundit turned “Secretary of War” Pete Hegseth tried to outbid his bosses the following day by defiling the annual D-Day commemorations with an attack on European...