John Kerry: “We also have to deal with the on-the-ground problems from the bottom up.”

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.

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

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.