People everywhere love Windows.

K to 12 is partly about babysitting the kids so the parents can do other things.

I know that historically our foundation has had great relations with all the administrations.[Bill] Clinton administration did a lot of outreach. The greatest rise in U.S. foreign aid was under the [George] Bush administration, that's where we got the AIDS initiative, which is called PEPFAR.

It’s been proven that of all the interventions to reduce poverty, improving agricultural productivity is the best.

That way you can be certain to learn something you didn't know previously.

Whenever you have war, you often have more deaths because the medical system and the food system breaks down, than you have directly through violence.

If you really could take the CO2, when you burn hydrocarbons - coal, for example - if you could really capture the carbon and sequester it - they call it CCS - if the extra capital cost, energy cost, and storage costs over time didn't make it super expensive, then that's another path that you could go down.