I don't think a monarchy led by 75- and 80-year-old men [Saudi Arabia] in today's modern world is really sustainable.

It has always been my view that terrorism is not spawned by the poverty of money; it is spawned by the poverty of dignity. Humiliation is the most underestimated force in international relations and in human relations. It is when people or nations are humiliated that they really lash out and engage in extreme violence.

Big breakthroughs happen when what is suddenly possible meets what is desperately needed

What we do know is that the planet is going from 7 billion people today to 9 billion. More people want to live like us, drive American- size cars, live in an American-size home, and eat American-size Big Macs. What does that mean? It means that energy demand is going to be going up.

No matter what your profession – doctor, lawyer, architect, accountant – if you are an American, you better be good at the touchy-feely service stuff, because anything that can be digitized can be outsourced to either the smartest or the cheapest producer.

I'm from Minnesota. I'm optimistic. I mean, that's just who I am.

I attended public school with the same group of kids from K through 12.