I have my own army in the NYPD, which is the seventh biggest army in the world. I have my own State Department, much to Foggy Bottom's annoyance. We have the United Nations in New York, and so we have an entree into the diplomatic world that Washington does not have.

I don't think there's much difference between the two parties. I think whatever their constituents at the moment want, that's what they believe. If their constituents changed, they would change overnight.

There are lots of threats to you in the world. There's the threat of a heart attack for genetic reasons. You can't sit there and worry about everything. Get a life.

Keep in mind, Mike Bloomberg's kids and grandkids are breathing that air just like the coalminers' families are breathing that air. And the coalminers are the ones that have the conflict. They want their jobs, I understand that. They need to be able to feed their families. They also have to worry about their health and the health of their families.

Fifty percent of the world's population lives in cities. In a couple of decades, 70 percent of the world's population will be living in cities. Cities are where the problem is. Cities are where the solution is, where creativity exists to address the challenges and where they have most impact. This is why, in 2005, the C40 was founded, an organization of cities that address climate change. It started with 18 cities; now it's 91. Cities simply are the key to saving the planet.

I am what I am and, you know, I'm a very lucky guy.

We need to inject some old-fashioned American values and common-sense, practical thinking into our energy policy.