Jane Harman: “Should it have addressed Iran's other malign behavior? Yes, it should, and it still could, if this side agreement were…”

I actually think the sanctions have been very effective and economic sanctions as a tool of foreign policy is an asymmetric strength of the United States.

I think leaving the deal on a unilateral basis...further isolates us and that's a mistake in terms of U.S. strategy.

We have to keep an eye on this. We have to think about ways in which we can help Americans who are unfairly detained there.

I think that if President Trump can reach a strong deal with the North Koreans he will deserve enormous credit.