John Kerry: “The road ahead will not be easy, and the problems before us posed by Iran's behavior are urgent.”

The era of the Monroe Doctrine is over.

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.

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

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