For sure I would prefer Trump had not withdrawn from the Paris Agreement. But the fight against climate change is really done at the local level - whether it's cities, local governments or the private sector, corporate and individual. No matter what Trump says, nobody is going to go back and take the scrubber out or change back to polluting. The damage that Trump can do is if there are countries that are on the fence about whether they want to address the issue, this gives the naysayers, the doubters, those that don't want to do anything, a little more ammunition.

In 1975, Congress passed a law requiring fuel efficiency standards to double over 10 years, with incremental targets that auto manufacturers were required to meet. That was the responsible approach, and it worked. But since 1985, we've done nothing - even as technology has moved at light speed.

When you go to Washington now, you can feel a sense of fear in the air - the fear to do anything, or say anything, that might affect the polls, or give the other side an advantage, or offend a special interest.

You're entitled to your own opinions, but not your own facts.

The fact is, the most painful and tragic lesson of the 20th century was that regimes based on racial superiority and religious hatred can't be trusted to keep their word to the international community.

If it wasn't for O'Flanagan's Pub on Manhattan's Upper East Side, I don't know where I would have spent my Friday nights as a young man.

If you don't encounter setbacks in your career, if you don't have doubts and disappointments , let me tell you, you're not dreaming big enough.