I do have confidence that we're gonna be able to get it right. But it's not gonna be overnight. And there's no silver bullets to this. The fact of the matter is, is that we are suffering from a massive hangover from a binge of risk taking.

We have to all shoulder the responsibility for keeping the planet habitable, or we're going to suffer the consequences - together.

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.

This is the moment when we must come together to save this planet.

If 90 percent or 95 percent of those - chemical stockpiles [in Syria] were eliminated, that's a lot of chemical weapons that are not right now in the hands of ISIL or Nusra or, for that matter, the regime.

We've been able to organize the international community around it in ways that aren't going to go back.

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