There are GMO skeptics more in Europe maybe than in other places, but not exclusively.

China has many successful entrepreneurs and business people. I hope that more people of insight will put their talents to work to improve the lives of poor people in China and around the world, and seek solutions for them.

When I was growing up, my parents were almost involved in various volunteer things. My dad was head of Planned Parenthood. And it was very controversial to be involved with that.

What I do best is share my enthusiasm.

The poor can't wait. Philanthropists needed to carry on being generous.

The US really has to get out in front. We are the biggest per person, by a substantial amount, greenhouse emitters, and we give the most foreign aid, not per person but in absolute.

I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.