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.

Higher education is one of few areas where this country competes with the rest of the world and wins. The best of American higher education outstrips any in the world. Look where the rest of the world goes for higher education, for graduate degrees. They come here.

Every year, I am reminded of the kids who aren't in the freshman class and aren't graduating. I remember every single one of them. That is the worst of times for me, to see the future snuffed out.

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.

I am interested in getting people to use the healthcare system at the right time, getting them to see the doctor early enough, before a small health problem turns serious.

You go to college not only for the latest knowledge but also to meet people from different backgrounds. That's the genius of the American higher-education system compared with the Europeans'. We don't simply skim the elite.