I think the world is safer without Iran with a nuclear weapon. The world has got the potential to be safer if we fully implement the Paris agreement.

President Clinton was often known as the first black president. I wouldn't be upset if I could earn the right to be the second.

Confronting climate change is, in the long run, one of the greatest challenges that we face, and you can see this duty or responsibility laid down in scriptures, clearly.

As I have said for two years now, when Osama Bin Laden and al-Qaeda were cornered in the mountains of Tora Bora, it was wrong to outsource the job of capturing them to Afghan warlords who a week earlier were fighting against us.

If the tea party folks would go out there and get angry because they think their taxes are too high, for God's sake, a lot of citizens ought to get angry about the fact that they're being killed and our planet's being injured by what's happening on a daily basis by the way we provide our power and our fuel and the old practices that we have. That's something worth getting angry about.

What we have to do is go on the offensive. [The science on climate change] has been maligned and misinterpreted, and we need to fight back... [P]eople [need to] stop being moved by these talk show [hosts] and start looking for the facts themselves.

People talk about [Bashar] Assad running Syria. He doesn't control his own country. He's down to about 20, 25 percent of the country. What is this fiction that he is somehow the only person who can save Syria? There's - with Assad there, there is no Syria. So that's what the Iranians and the Russians need to really begin to focus in on.