The Erotic vs. The Pornographic

Erotic experience is a human good. Mature, consenting adults should be able to explore the erotic realm freely, without outside interference. Pornography is illicit and destructive. But what is the real difference between the erotic and the pornographic?  Is there a bright line? In our attempts to regulate pornography do we run the risk of infringing upon the erotic freedoms of consenting adults? John and Ken draw the line with Anne Ashbaugh from Colgate University.