As if he hasn’t got enough to do running the Barbican’s arts programme and the City’s Olympic effort, Graham Sheffield has got another job. He is the British Council’s long-awaited advisor for arts and the cultural economy – and that will be a dual role, too. He will also chair the BC’s arts advisory group in the rejigging of the department by its still newish head, Rebecca Walton, which she hopes will assure the cultural communities here and aboard of the BC’s newly discovered commitment to the arts.