Senior national security leaders must do a better job engaging policymakers and the public to forge a post-Cold War consensus on the role nuclear weapons should play in protecting the United States and its allies from 21st-century threats, the Defense Science Board concludes in a new report. A "viable" consensus on nuclear weapons policy was in place throughout the Cold War, but it no longer exists, the report states; consequently, it has become more difficult to come up with supportable...
