My wife, Kemberly, has left. That’s ordinary enough. It happens a few million times a year, assuming that half of all American divorces are the wife’s idea. But this is about the why, not the what, of that decision. The why is unique, and extraordinary. If I were she, and she were I, I would do the same thing. (Work on it. That sentence is grammatically correct.) My wife has been offered the job of Head Chef of a new restaurant out of town, to be built and run to her specifications. To that you say, well, some commuter marriages...