From the TED stage to the page, Juan Enriquez, author of As the Future Catches You and Evolving Ourselves, presents a lively and engaging guide to ethics in a technological age. Most people have a strong sense of right and wrong, and many of us are not reluctant to argue with someone who disagrees. But when we take an unyielding stand on something we regard as an eternal truth, we forget that ethics evolve over time. What was once broadly...