Nothing is more difficult today than deciding what to do about abortion, gay marriage, economic injustice, war, torture, global warming, euthanasia, capital punishment, and a host of other controversies, particularly in a world in which people of varying religious, cultural, and ethnic backgrounds commonly live side by side. Can we draw on the wisdom of the past to address these contemporary ethical dilemmas? Can we see more clearly how we should consider what is right and wrong, and good and bad, and then work through these divisive problems toward decisions that make sense to us?While...