Each of the parties to the treaty undertakes to pursue negotiations in good faith on effective measures relating to cessation of the nuclear arms race at an early date and to nuclear disarmament, and on a treaty on general and complete disarmament under strict and effective international control.
—Article VI
THAT key clause of the nuclear nonproliferation treaty expresses what is still barely even a dream. For more than 20 years, the threat of nuclear annihilation has hung over the world, and the nightmare remains undiminished. Quoting a Chinese proverb, John Kennedy said of the 1963 test-ban treaty: "A journey of a thousand...