America is much less violent than it was 20, 30 years ago, and immigration is much less a problem than it was not just 20, 30 years ago, but when I came in as president.

I think it is important for Europe to understand that even though I am president and George Bush is not president, Al Qaeda is still a threat.

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.

I reiterated our hope that negotiations over the United Kingdom's exit from the E.U. will be conducted in a smooth and orderly and transparent fashion and preserve as closely as possible the economic and political and security relationships between the U.K. and E.U.

We are not going to keep the window open forever.

I want to make sure America has got the best education system in the world. And we're retaining our workers for the jobs of tomorrow.

Young people: I understand this is important to you, but as you be thinking about climate change, the economy and jobs, war and peace, maybe way at the bottom you should be thinking about marijuana.