51.   Citing security reasons, the Federal Aviation Administration does not disclose how many new air marshals will be hired or which agency they might come from.

52.   Citing security reasons, the Centers for Disease Control refused to say how many or which labs have anthrax or what they are doing with it.

53.   Clinton has argued that Congress should grant China permanent trade status for both economic and national security reasons.

54.   Crisp white cards were distributed at Metro turnstiles, alerting riders that trash and recycling bins had been removed for security reasons.

55.   Croatian officials have said repeatedly that it is for security reasons that they will not allow aid agencies, or journalists, access to the refugees.

56.   Democrats expressed astonishment that Republicans would insist on voting on a pact that the President requested be withdrawn for national security reasons.

57.   Democrats expressed astonishment that Republicans would insist on voting on a pact that the president requested withdrawn for national security reasons.

58.   Details, including the sources of the evidence, were not divulged for security reasons.

59.   Despite this, however, the police banned the opening, citing security reasons, and stopped people entering the building.

60.   Doors are locked, not just for security reasons, but also because male guests may have the option to walk and lay around the swimming pool nude.