61.   But France Telecom executives, who refused to say how much money would go into the new contract, acknowledged there were many uncertainties.

62.   But he already knows that these uncertainties can be costly.

63.   But in the public mind, uncertainty is likely to persist.

64.   But instead of contentment, there is just uncertainty.

65.   But if the past is any predictor of the future, they know there is uncertainty ahead.

66.   But in Beijing, as in Washington, there was uncertainty whether Bush meant what he said.

67.   But that uncertainty was entirely self-generated.

68.   But that uncertainty has been there since Neel embarked on the job five months ago.

69.   But that uncertainty is no reason not to mandate the device.

70.   But the larger concern, Curran said, is the immediate call for help, and already there are uncertainties.