Being a sex worker isn't something to write home about for most women (and men) in the $12 billion-a-year sex industry. Prostitutes, strippers, and adult film stars put themselves, and what they do for a living, out on the street, stage, and TV screen every day, but they often keep their working lives hidden from friends, family, and other employers. They do this because sex work is widely considered illegal, unhealthy, and immoral. Edited...