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.

Hey, size works against excellence.

Digital technology has several features that can make it much easier for teachers to pay special attention to all their students.

For Africa to move forward, you've really got to get rid of malaria.

You will NOT make $60,000 a year right out of high school. You won't be a vice-president with a car phone until you earn both.

If success corrupts, I'm probably pretty corrupted by now.

I've always been interested in science - one of my favourite books is James Watson's 'Molecular Biology of the Gene.'