He claimed that spending in Labour's first three years was half a billion down on the Tories' last three when Michael Bichard venured before the education select committee on Tuesday. He rammed the point home to a waiting world in a press release later.
Alas, it ain't true. The Tory backbencher had totted up the Treasury's yearly figures wrongly - spending's actually up by the same amount. The Diary suggests the numeracy hour.