Some kids got singled out for a reason. Troublemakers. "Problem children." Problem parents. Black kids. Some kids just didn't feel right. Most times the teachers had a reason. In the case of Marla Sanford, she didn't feel right. The girl wore girls clothes, but they were always a more boyish cut. Had she elder brothers Mrs. Williamson bet the girl would have just worn their clothes. Getting her hair down out of its ponytail was a feat. Every year at pictures, fight, fight, fight. And boy, could that girl fight. She'd given the principal a b