The period that followed was spent studying philosophy at the École Normale Supérieure in Paris (coinciding with the events of May 1968), and as a law student at Edinburgh University, where he received the Green Prize.
Perioden som följde studerade han filosofi vid École Normale Supérieure i Paris (sammanföll med händelserna i maj 1968), och juridik vid Edinburghs universitet, där han mottog Green Prize.