When a country has the skill and self-confidence to take action against its biggest problems, it makes outsiders eager to be a part of it.

This antitrust thing will blow over.

If you withdraw the incredible focus on polio, it will spread back, and in poor countries you'll get something like 100,000 cases a year. So by being very intense and getting the cases down to zero, what you do is you avoid all the future cases.

I'm quite worried about the fiscal imbalances that we've got and what that might mean in terms of financial crisis ahead.

People think about this idea that there's 122 million kids that are alive that would not be if that fatality rate had stayed at the 1990 level, that's 122 million families.

In the U.S., we believe the best way to improve lives is to improve public education.

As you get to the end of the project you want to run all the tests cases against one version and make sure that you know that that version passed everything. And so as you get late in the project you get a little more conservative about making radical changes to the software.