John Kerry: “If he want to have a debate about our service in Vietnam, here is my answer -- bring it on!”

The reason that happened, my friend, is because Donald Trump pulled out of that agreement.

the only way to achieve that goal is by coming together in a multinational basis.

Only one group of people, and they are here in Washington, and some of them spread around the country.

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.