The euro was created without the supporting structure of a treasury, tax-raising powers and coherent decision-making.

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This all sounds modest and coherent, even if it is making a virtue out of necessity.

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Making sense of data is essential to formulating coherent business or public policies in a nation of more than 300 million people and a world with over 6 billion inhabitants.

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By concentrating power at the centre, Mr Blair is making it easier to ensure that government policy is coherent, rather than contradictory, and to get to grips with those messy but important problems that have been the responsibility either of several ministries or of none.

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But the attitude remains too cool to attempt making a point, selling a feature, solving a problem or caring whether we receive a coherent message.

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