If asked, most Americans would very likely say that they would rather have “justice” than something like “injustice.” And if asked what “justice” means, many would have an answer. Some responses would name abstract ideals from one religious or cultural tradition or another. One of this type that is particularly dear to me speaks of letting the oppressed go free and breaking every yoke. But other answers about the meaning of justice would be more concrete: “my son wouldn’t be in jail”; “I could pay my hospital bills”; “somebody would help me with this problem.” These definitions of justice reflect the reality of our human lives. We don’t live in abstractions. Rather, we live through concrete relationships, in particular places, with specific...