Romanian prostitutes pose in a brothel in Schoenefeld, Germany April 15. Challenged with a 100 million euro ($133 million) deficit, one western German city has introduced a day tax on prostitutes to help whittle down its budget gap. The new “pleasure tax” requires prostitutes in Dortmund to purchase a 6 euro “day ticket” for each day they work,... 

Ngun Chai, the father of Nangdee (left), sold her sister into prostitution. When Burmese migrant Ngun Chai sold his 13-year-old daughter into prostitution for $114, his wife, La, had one regret — they didn’t get a good price for her. “I should have asked for 10,000 baht ($228),” La Chai said. “He robbed us.” She was angry that the agent...