 His articles and essays on figures such as Frank Sinatra and Anthony Davis impart a sharp picture of a writer coming of age, and aging, with the artists of his generation.Over the past few decades he has sat with Betty Carter, Sonny Rollins, Wynton Marsalis, Sun Ra, and the late "New Yorker" film critic, Pauline Kael, after whose lengthy discussions Davis penned, "Afterglow