The announcement that Britain is to become the first country in the world to legalize In vitro fertilization (IVF) from three donors (instead of the more usual two) is final evidence—if any more was needed—that human genetic engineering is a reality and that the science of eugenics has now been validated beyond question. Previously, a couple wishing to conceive by IVF would undergo a process whereby a human egg was fertilized by sperm outside the body and…