Jake Kanter International TV EditorThe BBC’s new director general Tim Davie has made it clear that he will have little or no patience for stars and staff who break the UK broadcaster’s strict impartiality protocols on social media.Davie referenced tough new social media rules for employees in his maiden speech earlier this month and has today offered more details on how he intends to enforce the guidelines, which will be unveiled in the coming weeks.Giving evidence to British Parliament’s