* NPR's Moscow Bureau Chief
* Former, Director, Chemical and Biological Weapons Nonproliferation Program, Center for Nonproliferation Studies, Monterey Institute
* Former United Nations Biological Weapons Inspector in Iraq
* Author, Scourge: The Once and Future Threat of Smallpox (Atlantic Monthly Press, 2001)
* Senior Associate, Carnegie Endowment for International Peace
* Former, Director of the Office of Nonproliferation and National Security, U.S. Department of Energy
* Former, Adjunct Professor of Soviet Military Policy, Georgetown University
* Independent Journalist (specialist on the Caspian region)
* Author, Azerbaijan Diary (M.E.Sharpe, 1999)
In Moscow, hundreds of people are dead after Russian special forces used gas fumes to end the standoff with Chechen guerrillas. Many are now asking, what kind of gas was used and why? Join guest host Melinda Penkava on Talk of the Nation for reaction and analysis from Russia.
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