John Kerry: “I do not agree with this contention. In fact, I believe we and the Iranians approach each other with a mutual sense of…”

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

People think this is now, you cannot reverse it, it is irreversible.

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

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