Charcoal Joe by Walter Mosley Doubleday/Penguin Random House, $26.95, 305 pages, ISBN 978-0-385-53920-3 Our author this week has been named a Grand Master in the year 2016 by the CWA, or Crime Writers of America. It’s the highest and most prestigious honor given by the group, and a distinction awarded only a very few. They’re the best of the best, at the top of their game, having labored long