Bill Clinton: “That's correct. This will be a different mission. And there will be some overlap there because, if you remember, the…”

keeping everyone engaged until the agreement was reached

We've never seen anything like this before in my lifetime – somebody that says, 'Whatever I want should be the law of the land. It's my way or the highway.'

And I think we are facing challenges today without precedent in our history.

I don't think any person with a straight face can tell you that Katrina was caused by global warming. But what we do know, what the evidence shows, is that there is an increase in the number and severity of bad weather events all across…