At the Smithsonian American Art Museum in Washington, D.C., stands a 46-inch-tall model of an American icon – the Statue of Liberty – whose origin story may surprise you. "When this idea began, it was really about liberty; it wasn't about immigration," said Lonnie Bunch, Secretary of the Smithsonian Institution, That's right: Lady Liberty had nothing to do with immigration when she was first proposed in 1865. "The United States had ended slavery," said Bunch. "That's why, if you look, she's standing on the chains and shackles." A model of Frédéric Auguste Bartholdi's statue "Liberty," at the Smithsonian American Art...