Scarlett Johansson plays the part-machine Major, in Rupert Sanders’s movie.Illustration by Sébastien Plassard The new Scarlett Johansson movie, “Ghost in the Shell,” is upon us, sheathed in controversy. Rupert Sanders’s film is adapted from the anime work of the same name, directed by Mamoru Oshii, in 1995. Fans of anime are ferociously purist and loyal, and for them, I suspect, the very notion of