How should judges and legislators address challenges arising at the frontiers of
biomedicine? What if it became possible to edit the DNA of embryos for enhanced traits …

1 Archimedes, as quoted in Ripstein 2007, 5. 2 See principally Gewirth 1978. 3 In a sense,
this book is a sequel to Pattinson 2018. 4 The metaphors in this Preface do not describe my …