51.   Buchanan said the fires could have a significant impact on the spotted owl.

52.   But BPA is the much larger agency and could have a significant impact on the California market if it pushes sales here.

53.   But competitors say the most significant impact could be on Microsoft if it fails.

54.   But environmentalists and other supporters of growth controls say there is little proof that such measures have any significant impact on housing prices.

55.   But Golisano said that the attention in New York state would not have a significant impact on his nationwide business.

56.   But he acknowledged that strategy has had no significant restrictive impact on the economy because long-term interest rates have been declining.

57.   But it will probably be well after Election Day before consumers learn whether the move has a significant impact on their home heating oil bills.

58.   But Koy Detmer has another booster who is having a significant impact.

59.   But news of the photographs could have a significant impact on those negotiations.

60.   But OxyContin abuse has yet to make a significant impact in Houston.