81.   But because his hibernation from access coincided with a rise in his job approval rating, the tradition of regular questioning has been called into question.

82.   But because everything depicted in this circular world of signs is called into question, nothing is at stake.

83.   But after both drivers were called into the NASCAR trailer to discuss the incident and review the tape, Stewart accepted the blame.

84.   But critics and even some Bush supporters were calling into question this line of attack.

85.   But events have so overtaken that agenda that the value of the trip has been called into question by critics.

86.   But even this amount has been called into question as the Justice Department investigates possible collusion among some PCS auction entrants.

87.   But his football ability seldom has been called into question.

88.   But in an era in which nonprofit groups are under growing scrutiny, the exemption is being called into question.

89.   But it does call into question the high multiples that computer stocks have come to enjoy.

90.   But it nonetheless calls into question the authority of Congress to insure that people can vindicate their federally guaranteed rights in federal court.