Ben Brogan has it seems just got off the phone with McPoison (old habits die hard) and is relaying the spin that George Osborne is the source of the Peston leak. A desperate Downing street line, what would be the motive? Cui bono?

Brown benefits as you can tell from the huge smile on his face. Cracking jokes about bankrupt banks, he hasn’t been this happy since the day he seized the premiership. He is boasting to Nick Robinson today that the plan is “leading the world” – he told Robbo “I now have to restore confidence in the banks.” Gordon is ecstatic posing as the financial saviour of British banking. The banks didn’t want to do a deal on the terms Gordon wants them to – leaking collapsed their shares and forced their hand.

Any leak hunt should perhaps start by asking questions of McBride and Geoffrey Spence, the City banker turned Treasury insider on the Council of Economic Advisers…