John Kerry: “I think at least we owe the Free Syrian Army to negate the air attacks that they will be subjected to when they finish…”

The era of the Monroe Doctrine is over.

Ninety-eight percent of all the scientists in the world agree----

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

We do not trade any component of any of those other issues for what we are trying to do on the climate front.