At the Dallas Holocaust and Human Rights Museum last week, a group of people gathered around a small exhibit commemorating the life of Grandma Lee Ok-seon, who was one of the many victims of sexual slavery during World War II. Comfort women, as they were called, were forced into sex trafficking by the Imperial Japanese Army in the 1930s and 1940s, according to the Association for Asian Studies. Comfort women were mainly Korean and Chinese, but also included Japanese women and those from other countries. The subject, despite the euphemism “comfort women,” deals with dark stories of sexual violence, which...