I think there will be PCs at every price point.

Vaccination is pretty special because you can do a vaccination campaign anywhere in the world. All you are doing is gathering women from the villages, getting them the vaccines and asking them to go around and find the children.

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.

Making sure all our students get a great education, find a career that's fulfilling and rewarding, and have a chance to live out their dreams ... wouldn't just make us a more successful country - it would also make us a more fair and just one.

If you believe that all men are created equal, then a child's death in some other country is no less tragic than in the United States.

In terms of fast food and deep understanding of the culture of fast food, I'm your man.

Today, we take the risk of nuclear war quite seriously, climate change not so much and epidemics least of all. But no single country, not even the United States, is well prepared. And even if one country is doing the right things to protect itself, it has to be a global thing.