51.   But its potential threat to American national security should never be ignored or underestimated.

52.   But significant questions remain regarding the prevention and control of many potential biological threats.

53.   But Republican senators retorted that Democrats are ignoring a growing number of potential threats of accidental or limited nuclear, chemical or biological missile attacks from Third World countries.

54.   But space agency officials say storms pose a potential threat.

55.   But the unbeaten Bulldogs are suddenly a potential threat, and it is never too early for the coach of the Gators to take the first jab.

56.   But the bombs and bombers they inspire are also at least a potential threat to the rest of us.

57.   Cigarette makers are seeking to settle the state lawsuits because they view them as a potential financial threat that has kept down the price of their stock.

58.   Countries like Poland seek NATO membership to counter a potential future Russian threat.

59.   Critics, however, say the change is a potential threat to the quality of care and could push physicians into a bidding war.

60.   Critics rightly saw the proposed rules as potential threats to our basic freedoms.