If you think of global public goods like polio eradication, the kind of risk-taking new approach, philanthropy really does have a role to play there, because government doesn't do R&D about new things naturally as much as it probably should, and so philanthropy's there.

Capitalism has worked very well. Anyone who wants to move to North Korea is welcome.

People care a lot that the USA is well run, and people globally expect us to do things in upgrading science and more.

The software is where the magic is. If you're going to have all this power be simple enough, appealing enough and cool enough, it's going to be because the software is right.

We work with whoever is elected. Some will bring a more generous, open view of the world than others.

Everyone knows about Black Friday and Cyber Monday. Now help me spread the word about Giving Tuesday!

There are GMO skeptics more in Europe maybe than in other places, but not exclusively.