Demonstrators at Charlottesville’s “Unite the Right” rally were allowed to march through the University of Virginia campus carrying flaming torches and assault rifles. Dahlia Lithwick, a legal analyst, and Slate senior editor was, until recently, a longtime resident of Charlottesville. She talks to David Remnick about the legal wrangling before the protest, and about how our legal system fails to reckon with the clashing interests of the First and Second Amendment in an open-carry state, where some opinions are “expressed” with military weapons, are all views equally protected?