101.   But the United Nations and NATO have since abandoned any serious threat of employing military force against the Serbs.

102.   But there is no doubt that this case poses a serious threat to the survival of the cigarette business.

103.   But these concessions to fashion pose a serious threat to health, he said.

104.   But they seem to regard it more as a bargaining position than a serious threat to lease negotiations.

105.   But there is also widespread agreement that the program faces the most serious threat in its long, tortured history.

106.   But they present a serious threat because they defend their hives by sending out thousands of stinging bees.

107.   But they were not able to mount a serious threat until Republicans took over Congress last November.

108.   By defeating Texas Tech last weekend, a hungry UNT team finally compelled teams to take them as a serious threat.

109.   But will the Sonics pose a serious threat to the Bulls this year?

110.   Can they be considered a serious threat?