John Kerry: “Having a good comeback or two up your sleeve, that's not just good practice, that's it's good raw politics.”

What we are trying to achieve now is really to establish some stability if we can, in the relationship, without conceding anything.

What a shame for our country that that happened.

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.

There is no current proposal or plan that has been agreed to which would require us to do that.