I'd love to have a president who really was out there leading and traveling around the world campaigning for joint climate change action. Even the Chinese government is trying to get people to stop polluting. And I think the federal government level in China is acting more responsibly than the American government.

When I came into office, people said, 'Billionaire? How do they live? What do they eat? How do they sleep?' Today, they see me on the subway coming uptown. A couple of people say hi, some people smile and nod. Some people just sleep. It's not an issue.

I don't know why people carry guns. Guns kill people.

People use so much more health care when they live longer.

I believe in Judaism, I was raised a Jew, I'm happy to be one - or proud to be one.

The people who are worried about privacy have a legitimate worry. But we live in a complex world where you're going to have to have a level of security greater than you did back in the olden days, if you will. And our laws and our interpretation of the Constitution, I think, have to change.

The main claim to fame, I think, of Bernie Sanders - who I've never met; I'm sure he's a pleasant guy - [is that] he's certainly not stupid.