61.  But at the same time, researchers note that enforcement may not be the only reason that parasites like the cuckoos are destroying nests.

62.  But Cal coach Tom Holmoe said Tuesday the hip was the only reason that kept Smith out of the game.

63.  But can that be the only reason his popularity remains undented after weeks of getting whacked around?

64.  But ethnic pride was not the only reason.

65.  But bargain hunting is not the only reason for the spurt in buying of the American Eagle gold bullion coins this year, Holton said.

66.  But genes are probably not the only reason people have high blood pressure.

67.  But her performance here is not the only reason she is being watched.

68.  But distance is not the only reason.

69.  But economic problems are not the only reason some Jerusalem Arabs have misgivings about Yasser Arafat and the Palestinian Authority.

70.  But Eisner said the only reason for movement on that front was the fact that senators were taking interest in the subject.