Certainly, the Windows share of servers is strong.

Every three years, we have to go to the governments and say, okay, you know you're saving millions of lives and even though your budgets are tight, helping Africa avoid this disaster really is a priority.

Capitalism has shortfalls. It doesn't necessarily take care of the poor, and it underfunds innovation, so we have to offset that.

The world today has 6.8 billion people...that's headed up to about 9 billion. If we do a really great job on vaccines, health care, reproductive health services, we could lower that by perhaps 10 to 15 percent.

Innovation is a good thing. The human condition - put aside bioterrorism and a few footnotes - is improving because of innovation.

Discrimination has a lot of layers that make it tough for minorities to get a leg up.

I have not met [Donald] Trump and discussed any issues with him. There have been Republican administrations like the [George] Bush administration who initiated this AIDS generosity. So it's not purely a right-left thing.