In Abortion and the Ways We Value Human Life, Jeffrey Reiman argues that an overlooked clue to the solution of the moral problem of abortion lies in the unusual way in which we value the lives of individual human beings_namely, that we value them irreplaceably. We think it is not only wrong to kill an innocent child or adult, but that it would not be made right by replacing the dead one with another living one, or even several. Reiman argues that...