I see three forces militating in favor of growing inequality: increasing measurement of worker value added, automation through smart software, and globalization.

Look at electricity in human history - it took a few decades for electricity to really revolutionize the American economy. And the Internet will be the same. At some point in the future, we will arrive at a new era of low-hanging fruit.

When you look at the actual data on technological innovation, one thing you see is that what I call the 'low-hanging fruit' has been exhausted. So radio, flush toilets, electricity, and automobiles - a lot of very basic inventions - have spread to almost all households.

The iPhone is made on a global scale, and it blends computers, the Internet, communications, and artificial intelligence in one blockbuster, game-changing innovation. It reflects so many of the things that our contemporary world is good at - indeed, great at.

I look forward to a great future for America - a future in which our country will match its military strength with our moral restraint, its wealth with our wisdom, its power with our purpose.

My belief is that the purpose of economic life is to meet the social needs of people.

The biggest lesson I had in my life was failure.

I am beyond thrilled to be hitting the road with 'Singin' in the Rain.' As a huge fan of the original movie, the chance to bring this story to life on stage is something I couldn't pass up, and it'll be great visiting some of the beautiful theatres on the tour; some I've been to previously; some are going to be a brand new experience for me.