Decision-making power, whether it's on foreign affairs or domestic affairs, is concentrated in the White House in a reasonably small circle.

I agree with the idea of cutting [budget], but it should all be coming out of entitlements for the affluent and not out of domestic discretionary, which is welfare, education, all the stuff the government does, parks, FBI, and it shouldn't be coming out of Medicaid.

Just, as I have traveled around from school to school, whether it's project-based learning or an outward bound curriculum, it's very hard to tell the difference between charters and public anymore. There's no fine line.

I take a benign view of digital connectedness. I notice in most young people's lives, Facebook and such doesn't replace normal dating or hanging out, it just facilitates it.

We have rapidly increasing technology, which is making life very good for people who are good at using words, and not so good for people who are not good at using words.

Self-actualization is what educated existence is all about. For members of the educated class, life is one long graduate school. When they die, God meets them at the gates of heaven, totes up how many fields of self-expression they have mastered, and then hands them a divine diploma and lets them in.

The roots of great innovation are never just in the technology itself. They are always in the wider historical context. They require new ways of seeing. As Einstein put it, 'The significant problems we face cannot be solved at the same level of thinking we were at when we created them.'