John Kerry: “Let the states decide. That's the way it's been done since the beginning of this country and how it should be done…”

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.

It's a matter of mathematics and physics, not politics, not ideology. It is a response to the science.

The era of the Monroe Doctrine is over.

We are not, I have not, President Biden has not, we are not saying to people, you should not fly.