Wetakeourlibertiesforgranted.Theyseemabsoluteanduntouchable.Buttheyaretheresultofaseriesofviolentstrugglesfoughtover800yearsthat,attimes,havethreatenedtotearoursocietyapart.Onthefrontlinewasadocumentoriginallyinkedonanimalskin–MagnaCarta.DistinguishedconstitutionalhistorianDavidStarkeylooksattheoriginsoftheGreatChart...