We're still missing about a dozen vaccines that will make a huge difference. For adults, we've got HIV and TB are still huge; for kids malaria is still killing a half million kids a year out of that 6 million. We probably need some vaccines, but we need a little more data to make sure we're getting the vaccines that will save the most lives.

When you want to do your homework, fill out your tax return, or see all the choices for a trip you want to take, you need a full-size screen.

The 'Billionaire' song is what my kids tease me with. They sing it to me. It's funny.

I'm not an educator ... I'm a learner.

Headlines, in a way, are what mislead you because bad news is a headline, and gradual improvement is not.

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.

We all need people who will give us feedback. That's how we improve.