Progress in genetic and reproductive technology now offers us the possibility of choosing what kinds of children we do and don't have. Should we welcome this power, or should we fear its implications? There is no ethical question more urgent than this: we may be at a turning-point in the history of humanity. The renowned moral philosopher and best-selling author Jonathan Glover shows us how we might try to answer this question, and other provoking and disturbing questions to which it leads. Surely parents owe it to their children to give them the best life they can? Increasingly we are able to reduce the number of babies born with disabilities and disorders. But there is a powerful new challenge to conventional thinking about the desirability of doing so: this comes from the voices of those who have these conditions. They call into question the very definition of disability. How do we justify trying to avoid bringing people like them into being? In 2002 a deaf couple used sperm