Those who expect moments of change to be comfortable and free of conflict have not learned their history.

The Trump election brought it the fore and made it possible for a number of different groups whose aim is to stop the teaching of critical thinking to to launch direct attacks.

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.

Free speech is what we all have and is guaranteed by the First Amendment of the US Constitution. Academic freedom refers to what happens in the university, particularly in the classroom, and to the importance of the teacher having the right to teach and share what he or she has learned, has proven her competence to teach, having gone through a series of tests and certifications including research and writing to demonstrate her abilities and knowledge.

The university is the place where the pursuit of truth is taught, the rules for learning how to pursue it are explained, and students begin to understand how to evaluate the seriousness of truth. Those are incredibly important lessons, and only the teachers' academic freedom can protect them because there will always be people who disagree with or disapprove of the ideas they are trying to convey.

I don't think colleges are safe spaces. It's one thing to have a fraternity house or a community center where students can go and talk about their shared experiences. But it's another thing to have safe spaces in the sense that the university's providing them with protection from what they have to experience and find ways of protesting and resisting.

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.