71.   A concern over China as a serious threat to the regional balance of power must hinge on its ability to move aggressively into the maritime regions of East Asia.

72.   A more serious threat for the McCain-Feingold legislation could come later from a measure sponsored by Sen. Chuck Hagel, R-Neb.

73.   A more serious threat is the chance of being mauled by a bear.

74.   A strong consensus has built among scientists that global warming, although not a certainty, is a sufficiently serious threat to justify taking some action.

75.   A subsequent police report makes clear that the police did not consider the compositions to be serious threats and did not take any action.

76.   AG -- Continued flooding poses a serious threat to farmers.

77.   Bush faces no serious threat on the right, with Reform Party candidate Patrick Buchanan making little headway.

78.   But could the violence there and in the northern strip of Macedonia pose a serious threat to peace in Europe?

79.   But even a serious threat of a disruption in payments can move the markets, and may send borrowing costs soaring for the United States.

80.   But even with a better-educated work force, RSI still poses a serious threat.