The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate.

As we get robots becoming more sophisticated, I think we should worry sooner rather than later on how much they could take over, but I think it'll mostly be a positive thing. In terms of deadlines it won't be any worse than nuclear weapons.

With the states release today of a set of clear and consistent academic standards, our nation is one step closer to supporting effective teaching in every classroom, charting a path to college and careers for all students, and developing the tools to help all children stay motivated and engaged in their own education. The more states that adopt these college and career based standards, the closer we will be to sharing innovation across state borders and becoming more competitive as a country.

My wife thinks she's better than me at puzzles. I haven't given in on that one yet.

I believe technology will continue to become more affordable and more people will have the chance to use it. This will help more people get medical care and a good education.

Creative capitalism takes this interest in the fortunes of others and ties it to our interest in our own fortunes in ways that help advance both. This hybrid engine of self-interest and concern for others can serve a much wider circle of people than can be reached by self-interest or caring alone.

Helping convene global stakeholders to establish a set of measurable, actionable and consensus-built goals focused on extreme poverty is invaluable.