Donald Trump has frequently poured scorn on those who served in the US military. Even though he avoided serving after obtaining a note from a friendly doctor who said he had bone spurs, he famously mocked late Republican John McCain, the 2008 presidential candidate and a prisoner-of-war, saying he preferred people who did not get captured. He would later stun his chief of staff, former Marine General John Kelly, during a visit to France for the centennial anniversary of the end of the First World War, when he allegedly claimed those who gave their lives were “suckers” and “losers”. Now,...