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Insistence on perfection is a well-known enemy of achievement, as is the belief that good works are best put off to the most favourable opportunity. Mr Caspar Weinberger knows how to play that game.
The latest eco-policy declaration on the greenhouse effect (by the World Resources Institute) is at once (from an excess of innocence) too scary and (from ignorance) too soft.
The enormous utility of labelled nucleic acid probes has encouraged the development, over the past decade, of many efficient and reliable labelling methods.
