We all learn best in our own ways. Some people do better studying one subject at a time, while some do better studying three things at once. Some people do best studying in structured, linear way, while others do best jumping around, surrounding a subject rather than traversing it. Some people prefer to learn by manipulating models, and others by reading.

The general idea of the rich helping the poor, I think, is important.

President [George] Bush made the U.S. absolutely the leader, between its own PEPFAR, and it's been by far the biggest Global Fund donor. That's a legacy.

Information technology and business are becoming inextricably interwoven. I don't think anybody can talk meaningfully about one without the talking about the other.

Good stuff tends to happen gradually, whereas violence or catastrophes are deemed more newsworthy.

Well depending on the government, you either work through the government, which is ideal, because then you're strengthening their capabilities, or you work through the non-governmental organizations. It's never easy, and you know, it's just about the very basics of health. This is not hospitals. This is just primary health care [in Africa], the most simple things, and even so, getting the supplies out, getting the trained workers there.

Personally, I'd like to see more of our leaders take a technocratic approach to solving our biggest problems.