Nuclear energy, in terms of an overall safety record, is better than other energy.

Well, no one gives aid to Zimbabwe through the Mugabe government.

Taking a look back, one big reqret is, I left Harvard with no real awareness of the awful inequities in the world. The appalling disparities of health and wealth and opportunity that condemned millions of people to the lives of despair. I learned a lot here at Harvard about new ideas and economics, and politics. I got great exposure to the advances being made in the sciences. But humanities greatest advances are not in its discoveries, but in how those discoveries are applied to reduce inequity.

Some people, through luck and skill, end up with a lot of assets. If you're good at kicking a ball, writing software, investing in stocks, it pays extremely well.

Let's face it, the average computer user has the brain of a Spider Monkey.

Microsoft was founded with a vision of a computer on every desk, and in every home. We've never wavered from that vision.

The Global Fund is a central player in the progress being achieved on HIV, TB and malaria. It channels resources to help countries fight these diseases. I believe in its impact because I have seen it firsthand.