81.  But political corruption is run-of-the-mill stuff, common, to some extent, in many big American cities.

82.  But Oklahoma City is like Waco and every other American city whose citizens have always felt secure by their distance from far-removed evils.

83.  But the prototype system now being tested has not yet been shown to be sufficiently reliable to protect American cities.

84.  But while in New York, he fell in love with the passion and excitement of the American city.

85.  But while many Americans still looked to Europe for art, Europeans sought a vision of the future in the mongrelized American city, where amazing things were happening.

86.  But, even with joint-operating cartels, fewer American cities have two big newspapers.

87.  By most measures, American cities are far more pleasant places to live than they were a decade ago.

88.  By then he had served in office longer than any other mayor of a major American city.

89.  But, as American cities have grown more attractive and property values have risen, humans have sought to reassert their control over the parks.

90.  Certainly, this uniquely American city is trying.