Wendy Sherman actually said...

It is an important step, because the ability to turn it back into enriched material is that much more difficult.

we continue to take issue with Iran's human rights abuses, state sponsorship of terrorism, its detainment of U.S. citizens.

We have made clear that we are calling on Iran to release Mr. Hekmati and Mr. Abedini.

Any deal reached with Iran would be of historic magnitude, and of great importance to the United States as well as the rest of the world.