81.   But not all projects go smoothly, and any failure is potentially life-threatening because the investment is so large.

82.   But on both sides of the Atlantic there is widespread failure to appreciate the momentous nature of the task.

83.   But our failure in Indochina was not a reflection of American weakness, or of a broader communist strength in other countries where there was no preceding colonial war.

84.   But perhaps in no sport is glaring failure so constant a threat as it is to a closer in baseball.

85.   But our greatest failure would be if we lose in bad style.

86.   But mechanical failures are rare, he says.

87.   But NTSB officials said again Thursday that they thought mechanical failure was most likely.

88.   But the DreamWorks failure was particularly public, and its executives were singularly thin-skinned.

89.   But the failure was not utter.

90.   But the playoff failure was predictable.