Several weeks of U.S.-led arms control and nuclear weapons-related diplomacy begin with the release of the Obama administration’s Nuclear Posture Review (NPR).

The multi-tentacled diplomatic enterprise is the immediate context for understanding the newly released document. The NPR is meant to frame the signing of a new U.S.-Russia arms-reduction treaty and a subsequent arms summit (scheduled for next week) as transformational steps toward a new global arms control regimen.

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