The recent unpleasantness across the Despatch Box between George Osborne and Ed Balls has rebounded rather nastily on the Chancellor.
His suggestion – written and verbal - that his Labour counterpart had played a deceitful role in the Barclays’ bank-rate (Libor) fixing scandal was squashed by Paul Tucker’s categorical denial during his evidence to the Treasury Select Committee.
Far be it from me to cast aspersions on the Deputy Governor of the Bank of England.
But he would say that wouldn’t he?
Any other answer would have implicated him and his august employers.
It would also have reduced to rubble any remaining trust in this country’s financial institutions.