David Cicilline actually said...

the President has passed near-term responsibility for the issue to Congress, threatening to terminate the JCPOA

I think it is kind of a frightening idea of don't get bogged down with confusion for the administration on what their approach is.

There are many members of this committee who have expressed deep concern about the hollowing-out of diplomatic posts.

Unilaterally amending the provisions of that deal... would be considered by all of our allies in Iran violations of the deal