71.   Experts say the strategy can work if solid research backs all stages, from brainstorming to production to follow-up.

72.   For a while the strategy worked spectacularly.

73.   For a while the strategy worked.

74.   For a time, the strategy worked in New York, too.

75.   For Freeh, the strategy has worked to a significant degree.

76.   For his part, Silver said the strategy will never work.

77.   For the first week at least, the strategy worked.

78.   For the most part, the strategy worked.

79.   For three years its investment strategy worked brilliantly, but its investments soured this year.

80.   For Gillette, the trade-up strategy has worked with almost text-book precision for blades and razors.