Measles will always show you if someone isn't doing a good job on vaccinations. Kids will start dying of measles.

Energy innovation is not a nationalistic game.

We're only at the beginning of what we have to do here.

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.

People are using Windows PCs more than they watch TV now.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.

There certainly is a case to be made that taxes should be more progressive.