The Rt Hon Sir Malcolm Rifkind MP on how, in the 21st century, nuclear weapons pose a greater danger than ever before and their possession is less necessary. The time has come to forge agreement on a process of multilateral disarmament. Achieving an end-state of "zero" has emerged as an important policy goal for a number of 21st Century challenges. The most prominent example is the "Global Zero" campaign to eliminate nuclear weapons. Yet, in a century of globalization, when the life of every individual is directly affected by a vast network of forces beyond their control, this concept has the power to inspire action on some of the most intractable problems of our time. Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales; http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

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