So it's an absolute lie that has killed thousands of kids. Because the mothers who heard that lie, many of them didn't have their kids take either pertussis or measles vaccine, and their children are dead today. And so the people who go and engage in those anti-vaccine efforts -- you know, they, they kill children. It's a very sad thing, because these vaccines are important.

The fight against AIDS in China is already well underway. The Chinese government and other funders are providing major support, and they'll continue to bear primary responsibility for delivering prevention and treatment.

The world needs banking but it does not need banks.

The Green Revolution focused on the big three - maize, rice and wheat - and the Green Revolution did not adapt the big three to African conditions, other than South Africa, as much as they should have.

There won't be anything we won't say to people to try and convince them that our way is the way to go.

The US in some ways has been the best. Who figured out shale gas? Although that wasn't a good thing [for CO2 levels], it was very innovative. It's led to low-cost energy. Who figured out nuclear power? Largely the United States. Once you get past the steam engine, which is mostly British, then the US has been at the center of most of the energy things that have happened.

If somebody is working on a new medicine, computer science helps us model those things. We have a whole group here in Seattle called the Institute for Disease Modelling that is a mix of computer science and math-type people, and the progress we're making in polio or plans for malaria or really driven by their deep insights.