The emergence or specter of biotechnologies like assisted reproduction and human cloning has raised thorny ethical issues. According to Marcy Darnovsky, progressives and radicals have not always approached these issues carefully and thoughtfully. Darnovksy talks about designer babies, surrogacy, stem cell research, and much more.

If we find another society's cultural practices repulsive or inhumane, can we condemn those practices as morally wrong? Or is it presumptuous and ethnocentric to do so? In a new book, Steven Lukes explores the terrain of moral relativism and highlights efforts to identify moral norms and values that transcend nation and culture.