For many new parents, the birth of a child is a gift and cause for joyous celebration as they welcome new life into their quickly transforming worlds. But in Apple TV Plus’ arresting new adaptation of Victor LaValle’s novel The Changeling, the arrival of one family’s beloved baby is just the beginning of their journey toward understanding how sometimes the nightmarish fears that keep parents up at night are all too justified and not nearly as irrational as they might seem.
Set largely…