In recent decades the debate on nuclear weapons has focused overwhelmingly on proliferation and nonproliferation dynamics. In a series of Wall Street Journal articles, however, George Shultz, William Perry, Henry Kissinger, and Sam Nunn called on governments to rid the world of nuclear weapons, helping to put disarmament back into international security discussions. More recently, U.S. president Barack Obama, prominent U.S. congressional members of both political parties, and a number of influential foreign leaders have espoused the idea of a world free of nuclear...

In recent decades the debate on nuclear weapons has focused overwhelmingly on proliferation and nonproliferation dynamics. In a series of Wall Street Journal articles, however, George Shultz, William Perry, Henry Kissinger, and Sam Nunn called on governments to rid the world of nuclear weapons, helping to put disarmament back into international security discussions. More recently, U.S. president Barack Obama, prominent U.S. congressional members of both political parties, and a number of influential foreign leaders have espoused the idea of a world free of nuclear...