The thing has never been a snap to get right. Walter Cronkite liked to end his nightly broadcast with the avuncular "That's the way it is." The current network anchors have all been settling for run-of-the-mouth good-nights or see-you-tomorrows. But this month CBS's Dan Rather started signing off with the exhortation "Courage," and the last word on his lips suddenly became the first thing on everyone's mind. To some it sounded intrusive, even bossy, the sort of thing an earnest, not very close friend might say uneasily to end a chance meeting. A CBS spokesperson responds, " 'Courage' is a word...
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