09/12/2011
https://www.congress.gov...
"I have been one who says new sanctions in the middle of negotiations is a huge mistake and may well break up the sanctions coalition, may well drive Iran away from the table."
"I also do not want to give up my right to approve of the negotiation."
"You have greater ability to negotiate once you affirm, which is the law, that we will have to pass the final negotiation."
"The Constitution is quite clear that this responsibility lies with Congress."