The increased calls for sensitivity-based censorship represent the dark side of what are otherwise several positive developments for human civilization. ... I believe that we are not passing through some temporary phase in which an out-of-touch and hypersensitive elite attempts — and often fails — to impose its speech-restrictive norms on society. It’s worse than that: people all over the globe are coming to expect emotional and intellectual comfort as though it were a right. This is precisely what you would expect when you train a generation to believe that they have a right not to be offended. Eventually, they stop demanding freedom of speech and start demanding freedom from speech.Campus speech codes are unconstitutional. You don't give up your First Amendment rights once you step onto a campus, and you have no right to never be offended.
Oh, related link here. Apparently it's just as bad on the other side of the pond.