John Kerry actually said...

"I believe that, imperfect as it is, accepting the deal is considerably better for the United States than any of the realistic alternatives."

"I think it far more likely that were the United States to turn down the JCPOA, we would find ourselves in a far worse position."

"An Iranian nuclear arsenal threatened to enable further Iranian subversion and/or aggression in the Middle East."

"Because the answer in my assessment to each of these questions is 'No,' it is important for the Congress to reject the agreement."