There are moments when experience tells you to\ud be less earnest and direct, and a little more Delphic in\ud style. At these times, half ideas can be useful and a little\ud lack of clarity can be effective.\ud As the redoubtable chair of the US Federal Reserve Alan\ud Greenspan was once heard to observe: 'I have learned to\ud mumble with great incoherence. If I seem unduly clear to\ud you, you must have misunderstood what I said.'\ud Helpful mumbling is certainly a feature of my present\ud working life. But of course there are always times\ud when clear and purposeful resolve is appropriate, particularly\ud when pursuing the cause of educators and\ud researchers in nursing.\ud And with the recent launch of a consultative document\ud on this issue by the DH national director of research\ud and development Professor Sally Davies (Department of\ud Health 2005a), this is clearly such a time
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