The National Archives and the Constitutional Sources Project (ConSource) present a discussion on the influence of Magna Carta on American constitutionalism, from the nation's earliest days to the present. Moderated by Judge Royce Lamberth, Senior United States District Judge for the District of Columbia, panelists include: Jennifer Paxton, historian and medieval specialist, Catholic University of America; Louis Fisher, Constitutional Scholar, author of “Magna Carta and Executive Power” in the American Bar Association's recently published book Magna Carta and the Rule of Law; and Bruce O'Brien, Magna Carta expert from the University of Mary Washington.