On 7th November 2003, Sir Kenneth Keith delivered the inaugural Sir David Williams Lecture entitled "Sovereignty at the Beginning of the 21st Century - Fundamental or Outmoded?". The Sir David Williams Lecture is an annual address delivered by a guest lecturer in honour of Sir David Williams, Emeritus Rouse Ball Professor of English Law and Emeritus Vice-Chancellor of Cambridge University. More information about this lecture, including a transcript, is available from the Centre for Public Law website at http://www.cpl.law.cam.ac.uk/sir_david_williams_lectures/ Apologies for the poor quality of this recording.