I think it's important not to start drawing parallels, for example, between Theresa May, a fairly traditional conservative politician, who's now prime minister and Le Pen in France. Those aren't the same and the situation in each country is different.

That just gives sort of the democracy an opportunity to test ideas, for those who lost to catch their breath, regain energy, re-energize themselves and then get back in the arena, and then we'll make some more progress in the future.

What we can be scientifically certain of is that our continued use of fossil fuels is pushing us to a point of no return

She is running around talking about how this is an insult to sportsmen, how she values the Second Amendment. She's talking like she's Annie Oakley.

Hillary Clinton was an outstanding secretary of state. She would never intentionally put America in any kind of jeopardy.

One of the things I've learned about being president is that we'll work on issues for long periods of time, sometimes in obscurity.

Environmentalism is not an upper-income issue, it's not a white issue, it's not a black issue, it's not a South or a North or an East or a West issue. It's an issue that all of us have a stake in. And if I can do anything to make sure that not just my daughter but every child in America has green pastures to run in and clean air to breathe and clean water to swim in, then that is something I'm going to work my hardest to make happen.