Rather than pitch the investors on the old sour business, they pitched them on new wells that were being tapped all over Texas as oil prices soared in 2008.

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In 18th-century London, instead of dumping old, sour beer, publicans would top off stale kegs with a fresh delivery.

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And since the banking system is still dominated by the government, the banks will not refuse to offer new loans, even if old loans sour.

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Since then, Mr Snow points out, donors have repeatedly lent poor countries fresh money to help repay old loans gone sour.

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However a compromise is reached, what was supposed to have been the jolliest budget on record has turned into a sour reminder that old traditions cannot, in Ireland, be casually chucked.

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Morrison insisted that it was not a case of sour grapes, even though there were suggestions that the referee had allowed the 20-year-old extra time on the canvas when he should have been counted out.

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