Firing employees, that's unfortunately part of doing business.

Public action should seek to expand the set of opportunities of those who have the least voice and fewest resources and capabilities.

After a regime is removed, however, it is dangerous to leave a security vacuum.

I told my father I had to try political science for a year. He thought I was throwing my life away.

Every math curriculum in the world is based on the idea of hand-calculating, and most of what you're teaching is how to calculate. And I think the resistance to this is very variable.

For one thing I tend not to see myself in various moulds that people fit me into.

The Bernie Sanders phenomenon shows that it's not confined to Republicans. There is a general sentiment that America is on the wrong track.