61.   But President Bush refused to sign the treaty.

62.   But the Chinese government is not allowing U.N. workers to travel to the border to make that determination, even though China has signed related treaties.

63.   But the agency is prohibited from discussing the weapons matters because Pakistan has not signed the treaty to limit the spread of nuclear weapons.

64.   But the delegation carefully refrained from declaring that the United States would not sign the treaty.

65.   But the nation with which we signed the treaty is dead.

66.   But the government, alarmed at the latest attacks, now intends to sign the treaty by the end of the year.

67.   But the political landscape has changed enormously since European leaders signed the treaty.

68.   But that means that rogue states could escape justice for their crimes by never signing the treaty.

69.   But the decision to prosecute would rest with prosecutors and judges ultimately accountable to an amorphous assembly of everyone who signed the treaty.

70.   But the Iranians point out that they have signed the treaty and agreed to inspections of nuclear sites by the International Atomic Energy Agency.