71.  A major reason for slower retail sales is that nearly half of U.S. homes already have a personal computer.

72.  A major reason for that change is the second-year quarterback from Notre Dame, who led Seattle to six wins as a rookie.

73.  A major reason for that reticence is oil.

74.  A major reason for this, analysts said, is that charges for bad and doubtful debts were higher than expected.

75.  A major reason is that the stripped-down viruses used in many experiments to move human genes into cells do not provide a stable platform for the genes to operate.

76.  A major reason is the many low fares.

77.  A major reason past efforts to revamp the law failed was because of competing financial interests with billions of dollars at stake.

78.  A major reason that Dingell gave up was an inability to get his fellow Democrats on the committee to approve employer mandates.

79.  A major reason the Mariners traded Griffey was their concern that his lame-duck presence would create a fatal distraction.

80.  A major reason the Nationalist Party performed so badly, according to experts, is that it was seen as a handmaiden of China.