Borlaug would be one figure that I think fundamentally changed India, China, all of Southeast Asia, and gave them the time to be able to build on other things.

We have to get serious about living within our means.

The thing that's really important to understand is, the last thing an empire traditionally does is drive itself into bankruptcy. You've seen that with the great empires.

Cities are magical things. You know the energy in them. You have to walk the streets in any borough here and you can see between what was in this city in the 1970's and where it is today and how much more energy there is and how much more just sheer.

Until African-Americans and Hispanics can get serious, not just about area studies, which are important, but also about science and technology, they're not going to generate that wealth and that job within those communities. And that has absolutely devastating consequences for the places where people live, for the jobs and for the wealth.

There is so much extraordinary opportunity if you're curious, if you're interested.

It's not completely inconceivable that someday you'll be able to download your own memories.