Those of us of a certain age grew up expecting that by now we would have Rosie the Robot from 'The Jetsons' in our house. And all we've got is a Roomba.

Since the 1940s, we've been saying there are no differences, we [humans] are all identical. We're going to know at year end if that is true.

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

Those of us of a certain age grew up expecting that by now we would have Rosie the Robot from 'The Jetsons' in our house. And all we've got is a Roomba.

China has, all of a sudden, found a way of putting the best of the best to work to build an economy that is growing at 10% to 12% per year, and now India is following. And those changes and how quickly they've come out of this mess, how little debt they have, is really important.

The housing crisis may not be the worst thing that's happened to New York City because it was becoming impossible for some of the young doctors, for some of the young artists, for some of the people that make the city so special to be able to live here.

As countries appear and disappear, then I began to ask, what makes countries successful? And it turns out, after a long slog through geographies and ethnicities and all kinds of variables, it's the ability to adapt and adopt, what Darwin talked about.