With customers fleeing mid-size sedans for crossovers and SUVs, automakers face an instinctual choice: fight or flight. Ford is choosing the latter and canceling its Fusion sedan to clear a path for more tall things. Chrysler hasn’t sold a mid-size sedan since it bailed on the 200 back in 2016. Honda and Toyota, by contrast, aren’t going quietly into that dark night, as evidenced by the excellent Accord and the vastly improved Camry that debuted last year. Ditto Nissan, whose Altima is the best it has been in years. And then there is Volkswagen’s newest Passat which, facing a more compelling competitive set, blinks.