31.   Yet for others, memories of many broken cease-fires and failed talks have tempered any optimism they hold for the negotiations in Ohio.

32.   But before long, problems tempered the optimism.

33.   But he tempered his optimism with a reminder that enormous scientific obstacles remain to be overcome before the research leads to a safe, effective treatment.

34.   But observers temper their optimism with skepticism.

35.   But optimism was tempered by reports of new fighting in northwest and north-central Bosnia.

36.   But optimism was tempered by reports of new fighting on two fronts.

37.   But the optimism has been tempered by growing disputes among the rebel leaders over their demands and the division of ransom payments.

38.   Commerce Secretary Kantor tempered his optimism over WTO, saying he had not yet met with Christopher or acting U.S. Trade Representative Charlene Barshefsky since arriving Friday night.

39.   Clinton tempered his optimism with a nod to the fact that the people of the region can accept only so much terrorism and still press for peace.

40.   Clinton tempered his optimism with words of caution.