There's a lot of talk these days about the ideals of the American Revolution, but historian Jill Lepore says the Tea Party isn't the first to yearn for the past. In the Civil War, both sides claimed the revolution. Civil rights leaders and segregationists said they were the sons of liberty. The problem, Lepore says, is that people are talking about an America that never was. Thursday, she joins us to talk about the struggle for independence, and the part it continues to play in our imagination.