71.   But the most vicious exchanges are between the older generation.

72.   But such exchanges are what campaigns are for.

73.   But the exchange has been a bureaucratic nightmare and the government has been forced to push back its deadline several times.

74.   But there is an exchange there, and something is being gained.

75.   By any stretch that exchange was the dramatic -- and the legal -- high point in the six-day preliminary hearing.

76.   But when their exchanges were extemporaneous, Florio was far more effective.

77.   By the time it does go public, Global eXchange may be much bigger.

78.   Christopher Dixon, an analyst for UBS Warburg, said the exchange was good for the Disney company and not so good for the holders of the Internet shares.

79.   Cookie exchanges are cookie-swapping parties.

80.   Currency exchange is a frequent topic of debate for international travelers.