71.   But the latest failure shows how far such a system is from reality.

72.   But the practical effect of launching such a system forced the board to simply order a series of workshops on the issue.

73.   But such a system is three years to five years off.

74.   But such a system might render the California primary nearly meaningless, which is not what political leaders intended when they set up the early primary.

75.   But such a system would not give universal coverage to the United States, a factor that made it impossible for the administration to accept, one official said.

76.   But there can be problems with such a system of donations, and the biggest is accountability.

77.   But while President Ernesto Zedillo agreed with President Clinton in May to negotiate such a system, Mexican officials have cautioned that they have serious legal obstacles to overcome.

78.   But they disagree about when such a system should be deployed.

79.   But your European allies, Russia and China all agree that if you deploy such a system, the world will become a more dangerous place.

80.   Certainly no one in the Pentagon itself is betting that such a system will be available anytime soon.