The BBC’s Reality Check service tore into Osborne’s dodgy dossier on Monday, dismissing his £4,300 figure as “questionable and probably not particularly helpful”. Yet for some mysterious reason the version appearing on the site today has been toned down. The words “it’s not true”, referring to the Chancellor’s top line figure, havevanished with no explanation. The rest of the criticism remains, but that killer line is gone. Curiouser and curiouser…