There is nothing extraordinary about the schoolroom that stands behind a glass wall in the Nation of Nations exhibit. It has no specially carved woodwork, no unusual blackboard art. Actually, Dunham School, Room 201, looks just like any other schoolroom of its time with its tall, narrow windows above the radiator, the American flag displayed in the corner, the wooden desks nailed to the floor, the teacher's desk, the recitation bench, and, presiding over all, the picture of George Washington. "That's my school," visitors exclaim as they peer into the room. "That's exactly the way I remember it." In this reaction lies the significance of ...