Now, if you're rich, you can spend a lot of money, Netherlands-style, and reduce that. But Bangladesh or parts of India, like Calcutta, they just simply won't be able to afford that kind of protection.

But the improvements will happen faster and last longer if we can channel market forces, including innovation that's tailored to the needs of the poorest, to complement what governments and nonprofits do. We need a system that draws in innovators and businesses in a far better way than we do today.

Given how few young people actually read the newspaper, it's a good thing they'll be reading a newspaper on a screen.

During the past two centuries, innovation has more than doubled our life span and given us cheap energy and more food. If we project what the world will be like 10 years from now without continuing innovation in health, energy or food, the picture is dark.

I find golf very relaxing. It's a way to get away from work and get outside. It's a lot of fun, and once you get going it's almost kind of addictive.

According to Ethiopian custom, parents wait to name a baby because children often die in the first weeks of life.

If you can't make it good, at least make it look good.