41.   Another uncertainty is whether any other Broadway show has the box-office appeal to warrant such prices.

42.   Another uncertainty is how many young players would decide to play for the CBA -- forfeiting their college eligibility --and how many are good enough.

43.   Another uncertainty is the precise depth to which the mysterious rocks traveled.

44.   Another uncertainty is where the leader of the Taliban, Mullah Muhammad Omar, might be.

45.   Another uncertainty is that age and genetics undoubtedly play a role in the benefit gained from exercise.

46.   Another uncertainty is the attitude of his investors.

47.   As the analysis goes further back in time, Mann said, the records get sparser and the uncertainties are greater.

48.   Asked if there was much uncertainty about the outcome, he firmly shook his head.

49.   Asked if there was much uncertainty about the final outcome when OPEC oil ministers meet here on Monday, the official firmly shook his head.

50.   At the same time, there was general uncertainty about where the downturn might end.