Vivian A. Samuels A 12-year-old girl who struck a school safety agent shortly before the agent died on Friday night has been charged with harassment and resisting arrest, the authorities said. She was later released from police custody. The girl, whose name the authorities did not release, will appear in Family Court in Brooklyn on Monday, when officials from the city's Probation Department will decide whether further legal action will be taken against her, said Laurence Busching, the chief of the Family Court Division of the City Law Department. On Friday night, Vivian A. Samuels, 56, was escorting the girl...