So you thought public shaming went out of fashion in the Middle Ages. Think again. A new Web site named Cheaterville offers revenge for those whose lovers have left them for others. You can post full name and physical characteristics including hair color and tattoos. Then you can go on to describe your ex's misdeeds. And the run the gamut from affairs at work to tales from Jerry Springer about an angry husband whose ex-wife slept with his teenage son for years.