71.   Baseball wonders why fans are losing interest in the national pastime.

72.   Be prepared for periods when children lose interest.

73.   Bank advisers said Mellon has not completely lost interest, but analysts expressed doubt that Mellon would put more money on the table.

74.   Besides, solving the mystery gets so convoluted, some youngsters will lose interest.

75.   Beyond that, interleague play has lost its interest for the Cardinals, who urge that it should be revamped on a rotating divisional basis or scrapped.

76.   Besides, the public might lose interest.

77.   Both Dow Chemical and Corning emphatically deny persistent rumors that Corning is losing interest in the venture and that Dow will buy its share.

78.   Both want to keep testing, and both hope that if negotiations drag on long enough, other states will lose interest.

79.   Boy meets girl, boy loses girl, movie loses focus, audience loses interest.

80.   - O.J. Cabdrivers may claim to have lost interest in O.J. Simpson.