The United Kingdom’s 21st century constitution can directly trace its commitment to the concept of consent from the people back to the 1297 Statute Concerning Tallage. In this episode Dr Sophie Ambler of the University of Lancaster puts the 1297 Statute into its 13th century context - reflecting on it as the culmination of a story that began in 1215 with the much more widely known Magna Carta and continued with the drama of Simon de Montfort's brutal rise and fall.