"I were aware generally that the White House was conducting secret discussions with Cuba."
"Any agreement has to eliminate its production of 20 percent fissile material in a permanent fashion."
"Any agreement with Iran would require the kind of access, monitoring, and transparency that actually would put Iran in a place that is exceptional."
"So far from being able to implement additional sanctions, we would be unable probably to implement the existing sanctions regime."
"We agree that R&D has to be a critical component of any agreement."
"I think one of the most powerful things that happened in Iran in recent years was actually the election of President Rouhani."
"Anything that in the future that might be done on Cuba would be done in full consultation, with the real meaning of the word `consultation` that I just alluded to, with this committee."
"they will not be, in a sense, a threshold state at the end of this."
"I do not think that is possible. Can we significantly increase our ability... to detect an effort by Iran to develop a covert program?"
"We are dealing with a radical cleric with a radical view of his obligation and role in the world."
"Saeed Abedini, Amir Hekmati, Jason Rezaian must be released, regardless of anything else we are doing with Iran."