Robert Joseph: “I think it is imperative to demonstrate U.S. leadership in order to keep those sanctions on Iran...”

I think Iran will use nuclear weapons. They will use it to intimidate. They will use it to blackmail us.

We don't back up what we say. We don't impose consequences for red lines that are established and then crossed.

I have always found it difficult to explain things that don't make sense, and I don't think it makes sense to the American people.

It is certainly better that Iran, at declared facilities, is spinning fewer centrifuges rather than more centrifuges.