During their meeting in Moscow, Presidents Obama and Medvedev hammered out a deal to limit nuclear arsenals. Non-proliferation is the key to Obama's desire to limit arms, but when talking nukes with Russia, is it just the same old song-and-dance between the former Cold War enemies? Can the United States' relationship with Russia change? The Takeaway turns to the BBC's Defense and Security Correspondent Rob Watson and Mark Kramer, Director of the Cold War Studies Project at Harvard University and a senior fellow at Harvard's Davis Center for Russian and Eurasian Studies for their analysis.
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