The student union at King’s College London will field a team in University Challenge that contains at least 50 per cent “self-defining women, trans or non-binary students”. The only bad thing Ken Livingstone could bring himself to say about the brutal dictator Fidel Castro was that “initially he wasn’t very good on lesbian and gay rights”. The first page of Hillary Clinton’s campaign website (still up) has links to “African Americans for Hillary, Latinos for Hillary, Asian Americans and Pacific islanders for Hillary, Women for Hillary, Millennials for Hillary”, but none to “men for Hillary”, let alone “white people for Hillary”.

Since when did the left insist on judging people by — to paraphrase Martin Luther King — the colour of their skin rather than