91.   But it has cast doubt on that objective by insisting on keeping them.

92.   But internal Microsoft electronic-mail messages released this week by the Justice Department seem to cast doubt on these defense arguments.

93.   But it also casts doubt that the Americans are any better than the third-best team here, having also lost to Sweden.

94.   But medical experts called by the defense cast doubt on those assertions.

95.   But Mitchell was one of the first to cast doubt on what turned out to be an intricately detailed fabrication.

96.   But Mario Ruiz Massieu himself cast doubt on that notion on Thursday.

97.   But neither she nor Zakharenko has surfaced in over four months, which casts doubt on suggestions that either made it to safety outside Belarus.

98.   But new research is casting doubt on that belief.

99.   But others challenge this version of events, and his own sworn testimony casts doubt on at least part of it.

100.   But recent studies have cast doubt on the wisdom of letting office labs operate without scrutiny.