03/15/2010
https://www.congress.gov...
"Ultimately, we will only succeed if Iran's leaders are persuaded to cooperate or face sustained, progressively intensifying multilateral economic and diplomatic pressure on their government--including..."
"The President has also made clear that his patience is not limitless on this."
"If Iran were to acquire a nuclear weapons capability, it would pose a serious threat to peace and security in the Middle East, especially to our close ally Israel."
"Our efforts to convince Iran to change course will be more effective if we act in concert with others."