Award-winning author and historian Lawrence Goldstone explains why what the Constitution does not say - was intentional - so that democracy can evolve. According to Goldstone, author of "Imperfect Union: How Errors of Omission Threaten Constitutional Democracy", changing the Supreme Court, protecting voting rights, defining the Second Amendment, and maintaining the balance of power between state and federal government are intended to be the responsibilities of voters, not the government or the courts.