Here’s a case for the harmless, well-timed practical joke as a tiny intervention for social and emotional health—good for the target, good for the team, and (quietly) great for the joker. Why jokes ...

David Duff is no longer the champagne sipping socialist with the big house, city law firm, race horse, Rolls Royce Corniche, jet black moustache and the key to the boardroom at Hibernian.