It sometimes seems that all constitutional interpretation emanates from one place, and one place only: the United States Supreme Court. But while it’s true that the Court is the final authority on the Constitution, it’s also true that the rest of us have something to say about it.

Indeed, David Cole, of the Georgetown University Law Center, insists that we have a lot to say about it, and that grassroots efforts to change the interpretation of the Constitution are the real “Engines of Liberty."