71.   There was no immediate explanation for the schedule change.

72.   The workers are unhappy about long hours, frequent schedule changes and increasing health benefit costs.

73.   Through schedule changes, venue changes and a yearly struggle to attract a topflight field, the event has survived and thrived.

74.   With eight new series planned for the fall, Fox is making more extensive schedule changes than any other network.

75.   Yeltsin, who is on vacation, has a history of heart trouble and the schedule changes once again raise questions about the state of his health.

76.   He expects no schedule changes this year, however.

77.   The schedule change raised new speculation over the health of Yeltsin, who has been resting in the countryside for what officials said was a lost voice since Saturday.

78.   Neither of the opponents -- Stars and Stripes and Mighty Mary -- were willing to grant Young America a schedule change to facilitate testing time after the repairs.

79.   No reason was given for the schedule changes, which came on the last day of official campaigning.