71.   Maybe the biggest obstacle was cleared last week, when the Packers upset San Francisco.

72.   Now that the arena project has some support from the administration, the biggest obstacle will be obtaining financing.

73.   Now, he said, the biggest obstacle is the federal courts.

74.   Nyerere, the Tanzanian statesman mediating the conflict, said the constant finger-pointing by both sides had become the biggest obstacle to talks.

75.   Now that his family will be with him in New York, instead of staying in Florida until June, the biggest obstacle to returning has been erased.

76.   Now the biggest obstacle seems to be price.

77.   One analyst who has been speaking with Blue Dog members says tax cuts are the biggest obstacle between their group and the Republicans.

78.   Perhaps the biggest obstacle facing start-ups now, fund managers said, is a shortage of personnel that now reaches beyond technical skills and into managerial fields.

79.   PCBs are also among the biggest remaining obstacles to the ecological recovery of the river.

80.   Perhaps the biggest obstacle facing Mrs. Ngilu is the deeply patriarchal and sexist society in Kenya, and indeed throughout Africa.