81.   But Russian officials expressed frustration with the US approach.

82.   But the administration official expressed suspicion that an oil-rich nation such as Iran would need nuclear power plants.

83.   But some U.S. officials expressed doubts.

84.   But Phoenix officials express little sympathy.

85.   But the senior law enforcement official expressed hope that the new genetic techniques would eventually pay off.

86.   But some officials privately expressed uncertainty.

87.   But Texas officials have expressed confidence in their plan.

88.   But two former Mississippi prison officials expressed doubt about the efficacy of the recent state law.

89.   But U.N. officials expressed the fear that there will be more destruction.

90.   But Western officials express concern that such an approach could open the door to countries like Iran.