If you saw Sir Ian McKellen with fellow thesp Sir Derek Jacobi in the television sitcom "Vicious" from around ten years ago, you'll be able to anticipate the gist of his characterisation of the acerbic theatre critic "Erskine" who is way more famed for distributing bile rather than bouquets. His new boss (Mark Strong) wants the newspaper to appeal to an altogether more wholesome family audience and so wants him to tone things down a bit. "Yeah, right" thinks he - and then his own behaviour gets him into trouble with the police and given one month's notice from his job. Facing looming…