John Kerry: “The truth is that the Vienna plan will provide a stronger, more comprehensive, and more lasting means of limiting Iran's…”

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

The message is, let's find a way to be able to make sure when we fly, we're not leaving emissions that we cannot capture.

I think I am pursuing common sense for political right, political left, republican, democrat.

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