Professor Timothy Garston Ash spoke out at the Hay Festival against the continuing clamp down on freedom of speech at University Campuses.  Home office legislation on counter-terrorism meant that universities were encouraged to block even non-violent extremists, which in the past could have included Rousseau, Jesus Christ, Charles Darwin and Karl  Marx.  He believes that this legislation in conjunction with a trend among students means that open debate is in decline.  “It’s a subjective veto act in which one person or a small number of people can say ‘I’m offended’ and that’s held to be suffice