The moral fable of The Runaways

The Runaways, the recent Kristen Stewart/Dakota Fanning biopic of the mid-70s band of the same name, is not a bad film.  I know nothing of the band outside of knowing the names Joan Jett and Lita Ford.  The movie pulls no punches in its depiction of the method by which five messed-up teenage rocker girls were formed into a flash-in-the-pan pioneer punk …