If I had the energy, ambition, or desire, I would begin this review with a lengthy preamble about the reasons why Charles Manson and his so-called “family” continue to hold such a grim fascination for so many of us, but you know what? The internet is chock full of thoughtful and articulate (as well as a number of hopelessly dull and derivative) essays on that very subject already,to the point where there’s literally nothing I can say about it all that hasn’t been said already. Suffice to say that even now, nearly a half-century after the Tate-LaBianca murders sent shock waves through the nation (and, indeed, the world), those waves continue to reverberate in ways both expected and unexpected and the very word “Manson” has become firmly ensconced as the brand name of choice for murder, madness, and mayhem. No amount of haughty proclamations about the killings associated with him marking…