Thomas M. Countryman: “We cannot allow these weapons usable materials, to be separated from spent nuclear fuel.”

It would be grasped by supporters of a nuclear program in Iran and by hardliners in Iran to assert that we were an unreliable interlocutor.

I think our policies have not been thoughtful relative to how we deal with these nuclear and other weapons of mass destruction.

China says--and I think it is borne out by their actions--that they do not support North Korea as a nuclear weapons state and that they wish to see the entire Korean Peninsula denuclearized.

This Agreement is an example of the strength of our bilateral relationship.