Stepping back on board “The Midnight Meat Train” today, it’s clear that this brutal but lyrical short story retains a narrative power that has not been dimmed by time. Its cinematic incarnation, from the pen of Jeff Buhler and the vision of Ryuhei Kitamura, simply underscores its significance as a moment when horror fiction took a leap into new territory. Clive Barker, its author, had arrived.