By Ken RaymondBook editorkraymond@oklahoman.comAlways in the past, I’ve seen Joe Hight smiling. More than that, I’ve heard his distinctive laughter, which barks out in a tangle of different volumes, as if each individual “ha” has been randomly selected from a whole collection of them.But today there are few smiles and no chuckles.Hight, whom I’ve known for nearly 20 years, is talking about his new nonfiction book: “Unnecessary Sorrow: A Journalist Investigates the Life and Death of His Older Brother: Ordained, Discarded, Slain by Police.”In the interest of transparency, let me say a few things.Read more on NewsOK.com