Illustration by Rosie Hunter / Ikon Images Earlier this week, the government named its long-awaited “free speech tsar” for higher education. It is Arif Ahmed, a professor of philosophy at the University of Cambridge, who said he will defend “all views”. He will be responsible for investigating breaches of the Freedom of Speech Act, which was passed last month. I do believe there are threats to freedom of speech in our universities. One reason is that our views and our identities appear to be more closely entwined – criticism of someone’s opinions is likely to be seen as an attack...