Daniel Ramalho/For The Globe and Mail Black or white? It was a policy born of good intentions but has stirred up perplexing, often painful, questions: What makes a person black, or white? Is it facial features? Hair? Family? Or an experience of racism? And who gets to decide? Stephanie Nolen Latin America Bureau Chief Rio de janeiro Published December 11, 2016 This article was published more than 6 years ago. Some information may no longer be current. Comments Jacqueline Chaves checked the Internet every day, waiting to see test results posted – a pass would be the last step in her long road to a job as a social worker. Ms. Chaves, 23, had worked hard to get through a degree program at the competitive federal university in Belem do Para, a port city on the Amazon forest's Atlantic coast. There were many tough tests along the way but she wasn't a bit worried about this final one. It was an exam to assess whether she qualified for a position being reserved for an affirmativ...