This essay, on viewpoint diversity, academic objectivity and free speech, was my Observer column this week. It was published on 20 April 2025, under the headline “Trump’s political bullying of Harvard will do nothing to foster diversity of thought”. Few people want to live in an echo chamber. Many have no problem being friends with those who vote differently to the way they do. And many would probably agree with John Stuart Mill that “he who knows only his own side of the case, […]