71.   Testing is simple.

72.   The CIA had no one on the ground in India well enough connected to know that nuclear testing was imminent.

73.   The emerging consensus has been that testing has been the most widely underestimated challenge.

74.   The government has argued that animal testing is essential to progress in medical science, but Britons are divided.

75.   The potential economic impact and the scientific need to track the origins of any outbreaks are why testing is so important.

76.   The reasons are unclear, but testing is time-consuming and expensive, and can undermine the morale and loyalty of staff.

77.   There also was testing of several others in the area when the radium was being examined.

78.   There was more testing than racing.

79.   There is testing in minor-league baseball, which does not have a union.

80.   There were other factors that made him decide it would be worth testing the possibility.