The narratives around the early offseason at Michigan are well worn by this point: Jim Harbaugh having some desire to keep coaching at Michigan despite the specter of NCAA sanctions, but still ultimately wanting to end up back on an NFL sideline. And his feeling that athletic director Warde Manuel wasn’t doing enough to support him became a well-known, if somewhat questionable, gripe. Now a new book excerpt from John Talty and Armen Keteyian’s “The Price: What It Takes to Win in College Football’s Era of Chaos” shines a bit more light on Harbaugh’s specific grievances. Essentially, Harbaugh di…