More at http://philosophytalk.org/shows/prostitution-and-sex-trade.

Some consider the commodification of sexual services inherently wrong, something that ought to be abolished outright. Others claim that prostitution is a legitimate form of commerce and that changing its legal status would reduce or eliminate most harms to sex workers. So in a just society, are there any conditions under which buying and selling sex are morally acceptable? Does the sex trade inevitably involve coercion of some kind, or can becoming a sex worker ever be a free, fully autonomous choice? John and Ken explore the complexities of the world's oldest profession with novelist, columnist, and former sex worker Tracy Quan, author of the best-selling "Diary of a Manhattan Call Girl."