Melissa Petro has spent much of her young life writing about the plight of sex workers: The stigma and shame, their treatment as victims or villains. Now Petro has been trampled by the forces she was trying to fight. After writing about her own experience as a sex worker, Petro was forced to resign from her teaching post. With two master's degrees, five years' experience in nonprofit work and three years as a teacher, as well as a litany of published writings, Petro is skipping meals. No one will give her a job. ~SNIP~ Petro began stripping when she was...