09/19/2016
https://www.congress.gov...
"I believe the only way Iran will voluntarily stop their march to nuclear weapons is if they know tougher and tougher sanctions will be enacted."
"But such a peaceful resolution to Iran's nuclear program will not be possible if we do not allow the negotiations to proceed to conclusion."
"I have long supported sanctions on Iran, and the benefit of hindsight has only reaffirmed my commitment to these sanctions."
"I understand the Obama administration has threatened to veto any bill that would do what I have just described."