David Cicilline actually said...

I am very, very concerned about the President's lack of leadership on this in terms of simply refusing to certify it without any basis for t...

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

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

The problem is that the United States cannot unilaterally alter fundamental terms of a deal