71.   He suggested Sunday, though, that those risks could be averted if a missile defense system is accompanied by large cuts in nuclear arsenals.

72.   He understands that Russia remains a great power because of its nuclear arsenal, its natural resources and its sheer size.

73.   He was referring to the Indian and Pakistani nuclear arsenals.

74.   His Russia seeks to stand tall abroad but he is also cutting its army, and its nuclear arsenal, down to more sensible size.

75.   If relations with Russia or China worsen, administration officials say, the United States may need to quickly expand its nuclear arsenal.

76.   If approved by the Russian legislature, the treaty would reduce by one-half U.S. and Russian nuclear arsenals.

77.   If so, Putin may conclude that these talks are the only way of determining if the United States is truly willing to dramatically cut its nuclear arsenal.

78.   In addition, it would remove one incentive for having a nuclear arsenal -- to display it in underground explosions for political leverage.

79.   In considering how deeply to cut the U.S. nuclear arsenal, Bush faced a quandary.

80.   In return, Bush plans to offer deep unilateral cuts in American nuclear arms, which would ease pressure on Russia to upgrade its own nuclear arsenal.