03/05/2012
https://www.congress.gov...
"Let me follow through on a comment that one of you made, that there may be 20,000 North Koreans in South Korea as refugees."
"Well, I thank each one of you very much for your statements, that are a part of the record, and for your remarkable testimony and your response to our questions."
"I asked the Congressional Research Service to evaluate the implementation of U.N. Security Council Resolution 1874."
"Proliferation of nuclear materials and missile materials coming out of North Korea is one of our major concerns."