Guido understands that James Slack, the Mail’s Home Affairs editor who has been leading the politics coverage since James Chapman’s departure, will be the new Political Editor. Slack will be in charge of the day to day running of the politics team. As tipped by Guido back in May…

Isabel Oakeshott’s mooted role, as a Pol Ed “at large”, will be more about scoring big hits and doing comment. Though nothing has been signed…