BOSTON — An international series of protests known as SlutWalks, sparked by a Toronto police officer's flippant comment that women should avoid dressing like "sluts" to avoid being raped or victimized, is taking root in the United States. Some women and men who protest dress in nothing more remarkable than jeans and T-shirts, while others wear provocative or revealing outfits to bring attention to "slut-shaming," or shaming women for being sexual, and the treatment of sexual assault victims."It was taking the blame off the rapist and on the victim," said Nicole Sullivan, 21, a student at the University of Massachusetts-Boston and...