A Stanford professor predicts that in 20-40 years a majority of babies will be born as a result of IVF, after being screened to ensure they are the healthiest embryos their parents could create. The profound, transformative implications of new gene editing techniques require open, public debate. Linda Geddes believes that it is time society discussed the ethical issues raised by the gene revolution! What will be the worst possibilities of this new technology? Are these just alarmist concerns or are these views to be realized in the future?