When Emelin was 13, she asked the mayor of her rural Guatemalan town to find ways to help girls stay in school and get better health care. He laughed out loud. "You are wasting my time; you should go home," he told Emelin and her friend Elba, who had come with her. That was then. Emelin, now 15, spoke by invitation at the United Nations in the "Every Woman Every Child" program presented as part of the Commission on the Status of Women. She sat — and spoke about the obstacles girls face in her community and how she and Elba persuaded the mayor to implement and fund policies that would hel