"Quite a few of your English students are prostitutes," a friend told me today as she recounted a conversation that she had with her hair stylist recently. "The guy who cut my hair told me that many of your training center's female students come to him two or three times a week to get their hair done before they go to work." She went on to explain that according to the hair stylist, some of my students sell their bodies at night in local hotels where there might be as many as 200 prostitutes gathered in one establishment. Other students...