It's very hard to find an evangelical person under 45, let alone on some of the Christian college campuses, who has any tolerance for Donald Trump.

Empathy makes you more aware of other people's suffering, but it's not clear it actually motivates you to take moral action or prevents you from taking immoral action.

Donald Trump, Vladimir Putin and Marine Le Pen seem to have no respect for the institutions that were created after World War II, and they see a potential alliance of populists around the world who would fight Islam and restore a certain semblance of traditional values.

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.'

Highly educated young people are tutored, taught and monitored in all aspects of their lives, except the most important, which is character building. When it comes to this, most universities leave them alone.

I am not a Jew for Jesus but I am definitely a Jew for Christmas. Christmas is one of the best things you Christians have given us, along with mac and cheese, Bono, croquet and politeness.

You have got to have two things in education reform. You have got to have some flexibility, so people can figure out what to do. But you also have to have accountable, basically what the Common Core standards were, some sort of set of national standards, so we can measure.