John Kerry: “There is no reason, and no excuse, and no justification for the loss of one more American life there or for the loss of…”

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

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.

Nothing is agreed to until everything is agreed to.