Happy, engaged employees are the golden grail for managers, yet it is also true that staff join companies, but leave their bosses. By evolving a coaching conversation, such as OSCAR, companies could reverse the drain, says Jenny Rogers. Imagine there is to be a search-and-rescue exercise. The most senior manager in the organisation is surprised and appalled to receive a requisition form for 30 Mars Bars. This form has been pushed up the ranks until it lands on his desk, so there is an automatic assumption that permission was needed for what was a trivial, but potentially life-saving purchase. He...