41.   But American designers of nuclear arms fought it hard, saying a ban threatened to favor the Soviets if they cheated and surreptitiously pulled ahead of the West.

42.   But New Delhi says it will sign the global nuclear arms treaties only if it is legally recognized as a nuclear weapons country.

43.   But the ABM treaty remains a cornerstone of international nuclear arms control.

44.   By concluding useful agreements with China and Russia, the Clinton administration has made modest progress in stopping the spread of nuclear arms and missiles.

45.   By Friday afternoon, not long after Bush and President Vladimir Putin of Russia had signed their nuclear arms treaty in Moscow, the Memorial Day weekend beckoned.

46.   By now, however, nuclear arms have been around for more than half a century, and chemical and biological weapons even longer.

47.   China and the United States are far apart on human rights, trade and nuclear arms proliferation policies.

48.   Christopher also fought behind the scenes, sometimes successfully and sometimes not, for more attention to human rights and nuclear arms reduction.

49.   Clinton should charge as hard as he can to rally the world behind a permanent barrier to the spread of nuclear arms.

50.   Clinton urged India to abandon its nuclear arms program, and Vajpayee flatly refused.