71.   Changes happen slowly.

72.   He said any personnel changes would happen after Ludwig published his report.

73.   He said the change could not happen overnight.

74.   Making change happen is a favorite theme.

75.   Nowadays, striking changes are happening on both sides.

76.   Routine ambassadorial changes are happening in Kuwait, Saudi Arabia and Bahrain, nations where U.S. forces are based that could be used in any military campaign in Afghanistan.

77.   Sarwono said change could only happen under a more democratic political system which gave the public control over the government.

78.   She assumed these genetic changes happen at a constant rate and used a supercomputer to clock the mutations back through time to a common ancestor.

79.   She assumed these genetic changes happen at a constant rate, and using a supercomputer she clocked the mutations back through time to a common ancestor.

80.   Structural changes are happening.