Neil Gaiman didn’t have to do it. He could have left well enough alone. After 30 years of successfully shutting down every “bad” attempt to adapt his best-selling Vertigo graphic novel series “The Sandman,” Gaiman could have decided to let dreams of an adaptation of “The Sandman” die with the nightmare that was the most recent attempt: a feature film starring and directed by Joseph Gordon-Levitt for Warner Bros.’ New Line, which fell apart in 2016.
