Bill Clinton: “I pledge that we will work with you to build on this good day.”

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

That ain't America. We've never done that.

I might not be around if I hadn't become a vegan. It's great.

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…