Last week saw both good and bad news on the nuclear proliferation front. Michael Krasny and his guests take a look at recent developments and what they portend for the nuclear balance of power worldwide.

Guests:
Scott Sagan, professor of political science at Stanford University and co-director of Stanford's Center for International Security and Cooperation
Ruth Wedgwood, professor of international law and diplomacy and director of the international law and organization program at John Hopkins University

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