The thing about education - and why I'm so passionate about the position and status of the university - is that it's supposed to teach citizens how to think better, how to think critically, how to tell truth from falsehood, how to make a judgment about when they're being lied to and duped and when they're not, how to evaluate scientific teaching. Losing that training of citizens is an extremely dangerous road to go down.

Freedom of speech is about expressing your opinion, however bad or good, however right or wrong, and being able to defend it and argue it and be argued with about it in public forums. But that's not what academic freedom is about. That's not what the classroom is about.

I think what is being pointed out by African-Americans is that from slavery forward they have been living in a supposed democracy which treats them as less than other citizens, less than whites in the society. And I think that pointing out that there are structures of discrimination in the society, deeply rooted racist structures, that segregate housing, that send black children to ill-equipped schools, that discriminate in the workplace - these are truths about our society that must be faced.

There are students whose religious upbringing is going to make them feel uncomfortable in a class where certain kinds of secular ideas are presented. There are students whose ideas about history or sexuality are going to be similarly challenged to question, to affirm or to change those ideas. That doesn't mean they shouldn't be exposed to them; that's why they're at school. That's why they come to university: to be taught how to think well and critically about material that they're being presented with. But it's the teacher who is certified to teach them how to do that.

We've increasingly lost that sense of community, of the notion that there is something we contribute to and benefit from that is called the common good. I think I would date the beginnings of that loss to the Reagan administration and to the notion that somehow we were all separate individuals who only ought to be interested in ourselves.

Richard Hofstadter, in his famous book which was written in the time of the McCarthy period in the 1950 and 1960s, Anti-intellectualism in American Life, talks about the deep hatred that some Americans had for what they consider to be elitist intellectual activity. I think that's what's happening now.

The reason you go to university is to be taught, is to learn how to think more clearly, to call into question the ideas that you came with and think about whether or not they are the ideas you will always want to hold. A university education at its best is a time of confusion and questioning, a time to learn how to think clearly about the values and principles that guide one's life. Of course, it's also a time to acquire the skills needed for jobs in the "real world," but the part about becoming an adult with ideals and integrity is also important.