61.   PerfecTV and JSkyB last week decided to join forces in ways that pose major threats to DirecTV.

62.   Rohrabacher sees China as a major threat to national security.

63.   Sensible men and women know that flag-burning is not a major threat to the republic.

64.   Since its discovery in October, the Klez computer virus has grown from a minor nuisance to a major threat.

65.   So that to me is the major threat that we still face.

66.   Some people may find it difficult to picture him as a major threat to the national interest.

67.   Such a service had been considered a major threat to the cable television industry.

68.   Stevia could be a major economic threat to established companies that manufacture artificial sweeteners.

69.   That will pose a major threat to drug industry profits.

70.   The border is heavily fortified, and the seven North Korean soldiers did not pose a major threat.