The tool that's most associated with the recent progress against malaria is the long-lasting bed net. Bed nets are a fantastic innovation. But we can do even better. We can invent new ways to control the mosquitoes that carry the malaria parasite.

Make it just like a Mac.

The U.S. immigration laws are bad - really, really bad. I'd say treatment of immigrants is one of the greatest injustices done in our government's name.

This is something we're very committed to, it's something that I think people are underestimating right now as they've seen some of the dot-com promises not come through. I think they're missing the fact that the basic technology is moving forward, the new platforms are here and this vision of the digital decade will be a reality.

Even in some of our vaccine areas, like an AIDS vaccine, things have taken longer than we expected, but we have the pipeline of tools. The biological information that we have that gives us insights is fantastic.

The poor can't wait. Philanthropists needed to carry on being generous.

We need to look at less obvious paths, things like the wind in the jet stream, which is very high up. The material science of what type of kite string you would need to connect up to that. That's still at the basic research level.