If we think long term, the younger generation here is better about embracing the world. Not seeing countries boundaries kind of an "us versus them" thing.

I think we knew that this would be just like raising the kids together, this would be a fun thing to do in partnership. And you know, we're so lucky because we get to hire in very smart people. We get to partner with governments like the Canadian Development Organization - CIDA, USAID - tonnes of scientists doing this work. This is fascinating.

The poor can't wait. Philanthropists needed to carry on being generous.

Getting the word out that, yes vaccines are great, the safety data's very, very clear, including any of these specific concerns, that's very important to our foundation.

OK, I have a nickname. My family calls me 'Trey' because I'm William the third. My dad has the same name, which is always confusing because my dad is well known, and I'm also known.

There's a true schizophrenia where if you say to voters, you know, do you think the federal government spends too much money and they should spend less, they say yeah, absolutely. Then you name specific things, like Pell grants for students and they say, no, not that. How 'bout NIH, medical research funding? Nah, you really shouldn't cut that. And pretty soon you've proved that what the American public is against is arithmetic.

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