When I say "an energy miracle," I mean that there will be some form of energy whose 24 hour cost really is competitive with hydrocarbons given, say, 20 years of learning curve. You invent it, then you look at how much its costs go down over the next 20 years, that it really beats hydrocarbons.

I hope someday what people can do with their lives depends on their talents and how hard they are willing to work, rather than on where they happen to be born.

Here at work we're all just trying to get a job done. My people have the confidence of their convictions and they know their skills. And that occupies most of my time.

I don't generally read a lot of fiction.

This is not about trade, no one is a stronger supporter of capitalism and trade than I am. This is about sovereignty and whether a country has the right to set its own public health policies.

Does the e-mail say it's about 'enlargement' - that might be spam.

The world today has 6.8 billion people...that's headed up to about 9 billion. If we do a really great job on vaccines, health care, reproductive health services, we could lower that by perhaps 10 to 15 percent.