Lindsey Graham: “The only reason they possibly could have come back is because there's been a vacuum created.”

If we don't get Iran in a box, we're in trouble. So, let's do it.

Let’s try a diplomatic solution. I think it’s going to fail. What happens next?

I am somewhat concerned that Iran’s view of the agreement seems different than what the American negotiating team is claiming.

We're in a very dangerous situation in Afghanistan.