20/20

Season 30, Episode 4

Episode Title: Episode 4

Air Date: 2007-09-28

Overview:

Part 1 of 2. A report on prostitution in the U.S. surveys the world's oldest profession, from legal Nevada brothels and high-end Manhattan call-girl rings to streetwalking in Philadelphia. Interviewees include New York Times columnist Nicholas Kristof. Diane Sawyer is the correspondent.