How we deal with the AIDS epidemic should be one of the greatest ways that the world gets measured. The report card for this era.

Looking at these issues as a businessman, I believe that investing in the world's poorest people is the smartest way that our government spends money.

When you say that after World War I there was a pandemic that killed more people than the war itself, most will say: "Wait, are you kidding? I know World War I, but there was no World War 1.5, was there?" But people were traveling around after the war, and that meant the force of infection was much higher. And the problem is that the rate of travel back then was dramatically less than what we have nowadays.

Rich countries can afford to overpay for things.

Computers are great because when you're working with them you get immediate results that let you know if your program works. It's feedback you don't get from many other things.

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.

Strategically, a major function of the CEO is to look for bad news and encourage the organization to respond to it. Employees must be encouraged to share bad news as much as good news.