North Korea has shut down its key nuclear facilities and is discussing how to retrain workers at the Yongbyon nuclear complex, CISAC Co-Director Siegfried S. Hecker said Feb. 20 following a five-day visit to the country.

"The disablement actions at the three key nuclear facilities--that is [the] fuel fabrication plant, the reactor, and the reprocessing plant--those disablement actions are just about complete at this point," Hecker told reporters during a press conference at Stanford. "In my judgment, they are very serious actions, and they will require serious time and effort to restart those facilities."

Hecker, a research professor of management science and engineering and senior fellow at the Freeman Spogli Institute for International Studies, visited scientists at Yongbyon and government officials in Pyongyang from Feb. 12 to 16. Joel Wit, a former U.S. State Department official, and Keith Luse, a staffer for Sen. Richard Lugar, R-Indiana, accompanied him during a private visit that also involved discussions on formalizing health and educational exchanges between the two nations. "All the way around, it was a very good visit, a very professional one on the DPRK's side," Hecker said, referring to the country's acronym for the Democratic People's Republic of Korea.

According to Hecker, "significant hurdles" remain before North Korea will offer a "complete declaration," or complete list of its nuclear program, both past and present. The North Koreans told Hecker that the process has been delayed because other parties in the six-party talks, which aim to find a peaceful resolution to the country's nuclear weapons program, have been slow in delivering compensation such as heavy fuel oil. Despite this, Hecker said, cooperation between the U.S. and North Korean technical teams was excellent during the visit.  "The DPRK wants these obligations [of the other member nations] to be met quickly so they can move on to the next stage, that's the stage of dismantlement," he said, referring to agreements reached Oct. 3, 2007, during talks to achieve a nuclear weapons-free Korean peninsula.

To avoid that and other nightmare scenarios, a group of 12 scientists with extensive nuclear expertise, headed by Stanford physicist Michael M. May, is urging an international push to improve the science of nuclear forensics.

May is a research professor emeritus and former co-director the Center for International Security and Cooperation. He also is the former director of the U.S. nuclear weapons design laboratory in Livermore, Calif. Other members have experience in nuclear intelligence and defense research. One member, Jay Davis, was a United Nations inspector in Iraq.

They say there is an urgent need for more nuclear detectives, armed with science PhDs and instilled with the instincts of an investigator. And those detectives will need training, advanced equipment and stronger ties to intelligence agencies, political leaders and law enforcement.

With the right mobile equipment, nuclear detectives could sift through the debris and the radioactive cloud of an attack in this country or elsewhere and quickly glean crucial information, the scientists argue in a 60-page report to be discussed Feb. 16 at the annual meeting of the American Association for the Advancement of Science (AAAS) in Boston.

The report, Nuclear Forensics: Role, State of the Art, Program Needs, was written by a joint working group of the AAAS and the American Physical Society.

Using radiochemistry techniques and access to proposed international databases that include actual samples of uranium and plutonium from around the world, the nuclear investigators might be able to tell the president—and the world—where the bomb fuel came from, or at least rule out some suspects.

“Nuclear forensics can make a difference,” May said in an interview.

But the U.S. capacity for such investigations has deteriorated since the end of the Cold War, when the capabilities were well supported at the nuclear weapons laboratories. “Presently available trained personnel are highly skilled, but there are not enough of them to deal with an emergency and they are not being replaced,” according to May. “A program to refill the pipeline of trained personnel should be undertaken.”

There’s also a need for development of new equipment, both in the lab and on the street, which could provide a faster analysis during a crisis. The authors also recommend more coordination between scientists and law enforcement; even simple steps such as trading phone numbers could prove crucial. “You really want the top decision makers to know where to get information,” May said.

The remnants of an atomic explosion carry a host of clues, even at the microscopic level, including crystal structures and impurities.

Uranium, for example, varies in isotopic composition and impurities according to where it was mined and how it was processed. Weapons-grade plutonium can be exposed during its production to different neutron fluxes and energies, depending on the particular reactor used. It is also possible to establish the length of time plutonium spent in the reactor.

In some cases, it may be possible for scientists at Lawrence Livermore National Laboratory or Los Alamos National Laboratory to use their experience, intelligence data and software codes to reverse-engineer a nuclear bomb from its debris and learn telltale details of the design of the explosive.

These clues would not be the equivalent of fingerprints or DNA, May said, but would in most cases allow officials to at least rule out or in broad classes of possible sources.

Tracing bomb material to its source may be only the beginning of an investigation, rather than the end, as the authors acknowledge. Discovering that a terrorist explosive was made of uranium stolen from a specific site in Russia, for example, does not identify the terrorists, but it does provide a starting point, especially if there is suspicion that the bomb makers had inside help.

In their report, the scientists recommend that atomic sleuthing be applied also to radioactive materials seized by law enforcement agencies or border guards. Tracking the substances back to their source might prevent or deter attacks, they said. The authors note that the International Atomic Energy Agency’s Illicit Trafficking Database contains 1,080 confirmed events involving illicit trafficking in nuclear and other radioactive materials between 1993 and 2006.

Convincing the nuclear states to share database information about their own uranium and plutonium may be difficult, May said. He suggests that the International Atomic Energy Agency, which has databases of its own, could play an important role.

The authors of the report:

Michael M. May, Chair, Stanford University

Reza Abedin-Zadeh, International Atomic Energy Agency (retired)

Donald A. Barr, Los Alamos National Laboratory (retired)

Albert Carnesale, University of California-Los Angeles

Philip E. Coyle, Center for Defense Information

Jay Davis, Hertz Foundation

Bill Dorland, University of Maryland

Bill Dunlop, Lawrence Livermore National Laboratory

Steve Fetter, University of Maryland

Alexander Glaser, Princeton University

Ian D. Hutcheon, Lawrence Livermore National Laboratory

Francis Slakey, American Physical Society

Benn Tannenbaum, American Association for the Advancement of Science

STANFORD, Calif., February 14, 2008—Stanford Law School today announced that O’Melveny & Myers law firm and a number of its current and retired partners have committed $1.5 million over five years to permanently endow the Warren Christopher Professorship of the Practice of International Law and Diplomacy. The gift is one of the largest from a law firm to fund a faculty position at the law school.

The joint appointment between Stanford Law School and the Freeman Spogli Institute for International Studies (FSI) was first established as a visiting position in fall 2003 to pay tribute to Warren Christopher, a former Secretary of State of the United States and an alumnus of Stanford Law School. Christopher is considered by many to be the consummate lawyer-statesman—multifaceted and unsurpassed in his ability to bridge the gap between national interests and global affairs, and public service and private enterprise. Among his many accomplishments, his negotiations played a key role in the release of American hostages in Iran; he chaired the commission that investigated the Rodney King assault and subsequent riots in Los Angeles; and he served on the California Hate Crimes Task Force. Today he continues as a senior partner at O’Melveny & Myers, and is co-chair—along with former Secretary James A. Baker III—of the National War Powers Commission.

“This gift, in honor of one of the nation’s greatest statesmen, provides a lasting endowment to support the study and teaching of international issues that impact the world and its future,” said Stanford Law School Dean Larry Kramer. “What we teach our students about practicing law in a global context—whether it’s about easing relationships between governments, or conducting cross-border transactional work for private parties—has been profoundly shaped by all that Warren Christopher has accomplished over his lifetime.”

Because most lawyers have a multinational dimension to their practice today, the law school is expanding its international law program and shaping its entire curriculum to better prepare its graduates to practice across national borders. The Warren Christopher chair is a key part of that transformation.

“We are delighted to support the Christopher chair and thereby to recognize Warren Christopher’s many accomplishments, and his continuing example and service,” said A.B. Culvahouse, chairman of O’Melveny & Myers. “The values that Chris represents are those of our firm, and we are pleased that the Christopher chair will continue to honor Warren Christopher’s excellence, leadership and citizenship.”

Stanford Law School’s innovative curriculum immerses students in the theory and practice of international law through combined legal, business organization, and policy studies. The faculty approaches international law not just as a subject for academic inquiry but also as a force for change in the world. They fundamentally understand how law operates in relation to governments, international organizations, and the global economy because they have practiced international law in these contexts. For example, faculty who teach public international law and international human rights have served as lawyers in the U.S. Department of State and litigated terrorism cases before the Supreme Court of the United States. Faculty who teach international deal making and arbitration have completed complex international transactions and litigated disputes over international agreements. Along with teaching international human rights law, international criminal law, and international administrative law, the law school also teaches international trade, international business, comparative law, international tax, international administrative law—and the interplay between public and private law in the global arena.

The idea for the Christopher chair was driven by Stanford Law School alumnus Richard L. Morningstar, former U.S. Ambassador to the European Union, and his wife Faith Morningstar. Many other supporters joined the Morningstars in initially underwriting the professorship, including Edison International and the Carnegie Corporation of New York, of which Christopher is a former chairman. O’Melveny & Myers partner Steve Warren spearheaded the firm’s gift effort.

"We are so pleased that O’Melveny & Myers has chosen to give this magnificent gift in honor of one of the most inspirational statesmen of the 20th century," said Coit D. Blacker, director of FSI. "This gift will ensure that Warren Christopher's legacy, his commitment to public policy, and his exemplary service to our nation will live on for generations of Stanford students."

In 2003, Allen S. Weiner was appointed as the inaugural Warren Christopher Professor of the Practice of International Law and Diplomacy as a visiting chair, both to Stanford Law School and the Stanford Institute for International Studies (the precursor to FSI). Weiner is a former State Department attaché and legal counselor for the U.S. Embassy in The Hague, and is involved in the effort to stop global proliferation of weapons of mass destruction. During his tenure as Warren Christopher Professor of the Practice of International Law and Diplomacy, Weiner taught and conducted research in the fields of public international law and foreign relations law of the United States. Weiner remains at Stanford Law School as a senior lecturer in international law, co-director of the Stanford Program in International Law, and co-director of the Stanford Center on International Conflict and Negotiation (SCICN).

Following Allen Weiner, William H. Taft IV was appointed to the Warren Christopher Professorship of the Practice of International Law and Diplomacy through the 2007-2008 school year, teaching Contemporary Issues in International Law and Diplomacy and Foreign Relations Law. Like Weiner, he also joined FSI at Stanford as a visiting scholar. Taft is a former Deputy Secretary of Defense and U.S. Ambassador to NATO. He served at the Federal Trade Commission, in the Office of Management and Budget, was general counsel at the U.S. Department of Health, Education and Welfare, and was the U.S. Department of State's Legal Advisor, the highest legal position in the department. Taft also worked for several years in private practice, and is currently of counsel in the Washington D.C. office of Fried Frank Harris Shriver & Jacobson.

About Stanford Law School

Stanford Law School is one of the nation’s leading institutions for legal scholarship and education. Its alumni are among the most influential decision makers in law, politics, business, and high technology. Faculty members argue before the Supreme Court, testify before Congress, and write books and articles for academic audiences, as well as the popular press. Along with offering traditional law school classes, the school has embraced new subjects and new ways of teaching.

About the Freeman Spogli Institute

The Freeman Spogli Institute for International Studies (FSI) is Stanford University's primary center for rigorous and innovative research on the major international issues and challenges of our time. FSI builds on Stanford's impressive intellectual strengths and exacting academic standards through interdisciplinary research conducted by its university-wide faculty, researchers, and visiting scholars.