Bill Clinton: “I'd like to just have some opening remarks from Jeff and Harry.”

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…

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

How did the Democrats lose so many working-class voters?

We cannot throw the legacy of this country away