This society cannot go forward, the way we have been going forward, where the gap between the rich and the poor keeps growing. It's not politically viable; it's not morally right; it's just not going to happen.

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.

The governor of Texas was a real climate change, well, "skeptic" would be a nice way of phrasing it. Still, though, Texas is a leader in renewables. So, what I care about is what politicians are actually doing, not what they are saying.

Donald Trump says he wants to run America like he's running his business? God help us.

We may not always agree with every one of our neighbors. That's life. And it's part of living in such a diverse and dense city. But we also recognize that part of being a New Yorker is living with your neighbors in mutual respect and tolerance. It was exactly that spirit of openness and acceptance that was attacked on 9/11, 2001.

I think that most of the candidates [for presidency] can't run the railroad, and I still worry that whoever gets elected will have policies designed for political rather than practical reasons.

Canada sets aside 36 percent of their visas for people with skills they think their country needs. We set aside six percent. We educate the doctors, and then don't give 'em a green card.