John Kerry: “If we shift from low-cost fossil energy to high-cost energy, like wind and solar, there will be costs.”

Nothing is agreed to until everything is agreed to.

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.

But, we could with battery. We could with-- there's ways to make that work.

Without a border protected you don’t have a nation.