Looking at these issues as a businessman, I believe that investing in the world's poorest people is the smartest way that our government spends money.

Should surveillance be usable for petty crimes like jaywalking or minor drug possession? Or is there a higher threshold for certain information? Those aren't easy questions.

I would certainly use my voice to try and avoid anything that undermines confidence, so that parents are using vaccines fully.

Natural epidemics can be extremely large. Intentionally caused epidemics, bioterrorism, would be the largest of all.

I believe that every life is valuable. That we can make things better. That innovation is the key to a bright future. That we're just getting started.

In energy, you have to plan and do research way in advance, sometimes decades in advance to get a new system that's safer, doesn't require us to go around the world to get all our oil.

I mean, if we said right now, there's somebody in the next room who's dying, let's all go save their life, you know, everybody would just get up immediately and go get involved in that.