31.   But neither is a serious mistake, he said.

32.   But privately, some said the campaign has made serious mistakes since wrapping up the nomination.

33.   But to resume commercial fishing for striped bass in the Hudson anytime soon would be a serious mistake.

34.   But they still make serious mistakes.

35.   But where Zedillo committed a serious mistake was in believing that this deadlock ensured that there would be no outbreaks of non-military violence in Chiapas.

36.   Caplan argues that it would be a serious mistake to continue this hands-off approach when it comes to cloning.

37.   Clinton has made serious mistakes about Haiti.

38.   Coyle suggested that lawmakers should take steps to encourage voluntary medical-error reporting for the less serious mistakes to prevent them from happening again.

39.   Dole also took issue with people who say he has made serious mistakes in his campaign.

40.   Executives can make a serious mistake if they think they have a cohesive team just because everyone seems to get along in meetings.