John Kerry: “Because it is a political agreement with force of law behind it--international law--because it has been embraced in and…”

We're spending billions--literally, actually, trillions.

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

you cannot just sit there anywhere and wish that things are going to be as they have been historically.

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.