The Kentucky mother of an autistic boy who says he was stuffed in a duffel bag for misbehaving in class has pulled her son out of school, the Associated Press reports. Sandra Baker said that although classes resumed Tuesday in their central Kentucky school district, she will home-school her 9-year-old son, Christopher. Baker says she won’t send Christopher back to Mercer County Intermediate School until the teacher responsible is fired and the staff is better trained to deal with children with developmental disabilities. Baker says she saw her son in a bag Dec. 14. The case has spurred an online petition calling for the firing of school employees responsible…