John Kerry: “Every previous President who faced this choice has found that the United States is better off with a treaty than without…”

In terms of global challenges and U.S. interests, yes.

We will communicate to the office that you're asking and that it's important to try to get to it as soon as possible.

Back-up baseload, no. But, some primary they could be part of it.

The message is, let's find a way to be able to make sure when we fly, we're not leaving emissions that we cannot capture.