The teacher stood in front of the classroom of young children, wearing a reassuring smile as she looked from one eager little upturned face to the next. Some of the children were quieter than usual, occasionally sneaking glances at the unfamiliar man who sat in a chair off to one side of the room, a compact metal briefcase laid in his lap. He was smiling too, and clearly at ease in the environment, but he remained silent and waited patiently, knowing full well that younger children could be s...
