John Kerry: “I would agree with that.”

Without a border protected you don’t have a nation.

the only way to achieve that goal is by coming together in a multinational basis.

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.

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