For discussion and education purposes only.Greensboro, North Carolina-AP -- A North Carolina fifth-grader has been charged with assault for knocking out a boy in a school bus fight over a snack cake. (snip) ...According to the principal, when the boy sitting next to him asked for a bite, Kevin said no and was smacked in the face with a stuffed Tweety Bird. Kevin hit back, but was slammed against a window and hit in the back. Then he fell in the aisle and was stomped.School officials say when the bus driver pulled the aggressor off him, Kevin was unconscious.