81.   This may provide some cover for stalling an agreement but is unlikely to fly very far in a re-election campaign if tobacco contributions become an issue.

82.   This provides cover for them and creates the possibility of political gain if the civilians come under fire.

83.   Those community building efforts could provide cover for the chief if things got hot.

84.   Though some aspects of the investigation require confidentiality, secrecy could provide cover for law enforcement excesses that trespass on civil liberties.

85.   Those troops may conduct special reconnaissance and search-and-rescue missions, which could provide the cover for the search for bin Laden.

86.   Though a respected academic, he was suddenly questioned by peers, who said he seemed to be providing cover for what they considered partisan politics.

87.   Under these circumstances, the United Nations and several countries with troops on the ground have asked NATO to draw up plans to provide military cover for their withdrawal.

88.   Unions said they would provide cover for emergency and other essential services, but hospitals were emptied of all but their most seriously ill patients.

89.   U.N. support for using force against Osama bin Laden and the Taliban provides some cover under which the United States and its partners may act.

90.   Unfortunately, many of the roads pass through valleys along which the high ground provides excellent cover for an ambush.