It is my belief that industry and government around the world should work even more closely to protect the privacy and security of Internet users, and promote the exchange of ideas, while respecting legitimate government considerations.

The part of uranium that's fissile - when you hit it with a neutron, it splits in two - is about 0.7%. The reactors we have today are burning that 0.7%.

The Internet is becoming the town square for the global village of tomorrow.

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.

In fact, batteries haven't improved over the last 100 years as much as they would need to in order to make that happen. So I'm invested in a lot of battery companies - and there's a lot that exists I'm not in. They're all having a tough time achieving it.

The idea that you encourage companies to take their innovative thinkers and think about the most needy - even beyond the market opportunities - that's something that appropriately ought to be done.

Today, we're very dependent on cheap energy. We just take it for granted - all the things you have in the house, the way industry works.