John Kerry: “Tomorrow, we'll take a close look at Senator Kerry's debating skills.”

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

the U.N. Finance Analysis suggests that it will cost trillions of dollars. Maybe $2.5 to $4.5 trillion a year between now and 2050.

Depending on what it involves, shadow diplomacy has also saved us from a war.

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