Is pornography an art form, or simply anything that depicts genitals in action?  Where does mere eroticism end and pornography begin?  In the internet age, pornography appears to have become not only more accessible but also more acceptable in American society – is this a welcome loosening up of a conservative tradition, or is it the path to moral degradation?  John and Ken probe the philosophical implications of pornography with Rae Langton, author of Sexual Solipsism: Philosophical Essays on Pornography and Objectification.