We will respond to the threat of climate change

We have not always been in sync on every issue in terms of our core values, in terms of her integrity, her truthfulness, her thoughtfulness, [Angela Merkel] doing her homework, knowing her facts, her commitment to looking out for the interests of the German people first, but recognizing that part of good leadership on behalf of the nation requires engaging the world as a whole, and participating effectively in multilaterally institutions, I think she's been outstanding.

There's no doubt that I'm a better president now than when I first took office. This is not a job where there's a manual, and over time you get a better sense of what's important, what's not, how to see around corners and anticipate problems, as opposed to just managing problems once they've arrived.

We cannot drill our way out of our addiction to oil.

Being attentive to inequality and not tone deaf to it. But offering prescriptions that are actually going to help folks in communities that feel forgotten. That's going to be our most important strategy. And I think we can successfully do that.

But while they're adding teachers in places like South Korea, we're laying them off in droves. It's unfair to our kids. It undermines their future and ours. And it has to stop. Pass this bill, and put our teachers back in the classroom where they belong.

The program grew out of a desire to address a gap identified after 9/11 ... The program does not involve the NSA examining the phone records of ordinary Americans. Rather, it consolidates these records into a database that the government can query if it has a specific lead - phone records that the companies already retain for business purposes.