The work culture at Runway set up early on in The Devil Wears Prada (2006) – that says everything about a certain kind of work culture. Andy Sachs, fresh-faced and hopelessly underdressed for the magazine, picks up a ringing phone at midnight. Her boyfriend’s birthday dinner barely over, and scrambles across Manhattan to retrieve a manuscript from Miranda Priestly’s townhouse. She doesn’t ask why. She doesn’t say no. She just goes. With The Devil Wears Prada 2 now in cinemas, the sequel catches up with Andy Sachs twenty years on — no longer the hapless assistant scrambling across Manhattan at midnight, but an editor navigating a workplace that has, quietly and completely, changed the rules. As she steps back into Runway, she sees the changes first hand, when Miranda Priestly, is struggling to put her coat in the closet. Andy is surprised and amused. Her own assistant, Jin Chao at one point, in the middle of a crisis, slips out to get something to eat.…