 From the Boston Tea Party to Mahatma Gandhi’s Salt March, and from suffragists’ illegally casting their ballots to whites-only lunch counter sit-ins, civil disobedience has often played a crucial role in bending the proverbial arc of the moral universe toward justice. But what, if anything, do these acts, and countless others which we refer to as civil disobedience have in common? What distinguishes them from other forms of conscientious and political action?