But I have a driver, so I can return calls while I'm in the car.

But for me, it is when a student has died. I find the death of a young person the most difficult and painful of times. To explain it to other young people, to see a bright future snuffed out, is just awful. I am haunted by those deaths.

You can't have a university without having free speech, even though at times it makes us terribly uncomfortable. If students are not going to hear controversial ideas on college campuses, they're not going to hear them in America. I believe it's part of their education.

Sex education has to do with what's in people's head.

We need to drive down requirements for the schools. In the 19th century, we increased the quality of the schools by higher education saying, 'You can't come in unless you have these skills, unless you've taken these courses.' We did that in Wisconsin when I was there, it helped to transform the secondary school system.