71.   But when it comes to terrorism, national security concerns should be paramount.

72.   But, he added, security concerns remain.

73.   But with the terrorist attacks, civil liberties may be taking a back seat to security concerns.

74.   By contrast, the State Department looks at security concerns.

75.   Canadian authorities have encouraged people to come downtown, a sharp contrast to previous summit meetings where security concerns often kept the public at bay.

76.   Carter said that he met with high-level Bush administration officials before making the six-day trip and that he had asked about specific US security concerns on Cuba.

77.   Citing security concerns, Eberhart declined to sketch a scenario that would result in the decision to down a civilian airliner being made by someone other than the president.

78.   City Councilman Bruce Tatro said the presence of the workers on the street corners has become a security concern.

79.   City officials said the rules were a reflection of valid security concerns.

80.   Citing national security concerns, the Justice Department has not given extensive information about the detainees.