71.   But I wondered how a man of his experience, who had performed for queens and presidents, could be thrown by a single question.

72.   But in recent years, after he performed for several seasons with cue cards, rumors that Sinatra was suffering memory loss and mental confusion became rife.

73.   But several free agents had performed for him at Cleveland, including Ernie Logan and Rick Lyle, and they became Jets.

74.   But the baseball playoffs also begin next week, saddling NBC and Fox with a juggling act they must perform for most of October.

75.   But there are times when he prefers not to think about all that, especially when he is performing for a live audience.

76.   But when the time came to stop the mischief, the snakes went away, and the young Bloomberg would dutifully perform chores for his Aunt Ruth.

77.   But, he confesses, as a Yiddish theater star performing for a shrinking and aging audience, he felt like a second-class citizen.

78.   By leaving Chicago, the Sox will get away from the pressure of performing for home fans.

79.   But what about the favors performed for Enron before the meltdown?

80.   By the way, you can use the same technique to edit the actions that are performed for existing programs.