Unless we free ourselves from a dependence on these fossil fuels... we are condemning future generations to global catastrophe

One of the things that you learn, having been in this [President's] office for four years, is the old adage of Abraham Lincoln's. That with public opinion there's nothing you can't do and without public opinion there's very little you can get done.

The conversations have been cordial. [Donald Trump] has been open to suggestions, and the main thing that I've tried to transmit is that there's a different between governing and campaigning, so that what he has to appreciate is as soon as you walk into this office after you've been sworn in, you're now in charge of the largest organization on Earth.

As has been well documented, I smoked pot as a kid, and I view it as a bad habit and a vice, not very different from the cigarettes that I smoked as a young person up through a big chunk of my adult life. I don't think it is more dangerous than alcohol.

I favor legalizing same-sex marriages, and would fight efforts to prohibit such marriages.

Iran won't pursue nuclear weapons because 'it's contrary to their faith.'

The truth of the matter is that the problem of police shootings and reactions in the community.