John Kerry: “But, in fairness, I will also say we do not know yet, we do not know the full evidence yet on whether or not…”

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.

The era of the Monroe Doctrine is over.