02/23/2016
https://www.congress.gov...
"My hope is and my expectation is that will not have to happen."
"I have hope. I can't speak for what they will do or not do."
"This opportunity is huge and still exists, but we are not going to link them to the nuclear, because it prejudices them."
"We are committed to asking you for additional sanctions if we fail. We will need them."