21.   But administration officials cautioned against viewing the anti-terrorism battle as a war against one man.

22.   But American officials have cautioned against excessive expectations in what is certain to be a protracted and complex negotiation.

23.   But another official cautioned that in the past, such discussions had become a forum for recriminations and were of limited use.

24.   But city officials caution that those negotiations depend on resolving broader issues with the Port Authority.

25.   But congressional officials cautioned Clinton and his advisers not to act rashly.

26.   But election officials cautioned that it was too soon to predict the outcome.

27.   But even if the satellite transition turns out to be smooth, government officials are cautioning against reading too much into a smooth transaction.

28.   But federal officials were still cautioning Monday that flooding was possible as the storm moved inland and stalled near Laredo, dumping heavy amounts of rain.

29.   But federal officials cautioned that the decline might also be the result of fewer resources allocated by the Coast Guard, the primary regulatory agency, to detecting pollution.

30.   But he said the officials also cautioned Symington that the tangled legal negotiations required to carry out such a transfer might take weeks.