Osborne must address the doubts the City has about his economic credentials.

Filthy, foetid and fraught with danger. A magnet for hooligans, hard drinkers, a few saints and plenty of sinners. And that was Fleet Street before the newspapers moved in. This ancient thoroughfare, in use since Roman times, is one of London’s most famous occupational streets, much as Jermyn Street is known for its tailors and Harley Street its medics. The difference is that Fleet Street is