Adam Smith actually said...

If, in fact, the United States agrees to the kind of deal that the chairman just described, then I think it would be a grave and terrible mi...

The choice here is, can we take a realistic step that is going to stop them, continue to stop them, from getting a nuclear weapon?

I am not optimistic that Iran will be willing to give up what they need to give up in order to get this deal.

Absolutely not. Totally different situation.