I want to thank the Master and Fellows of Sidney Sussex College and, in particular, Professor Eugenio Biagini for inviting me to give this paper. It is a real pleasure for me to return to Sidney Sussex College, albeit remotely, having spent a number of very happy years in the college in the 1990s studying law as a postgraduate student. Sidney Sussex had very strong links with Ireland at that time and it was a Cambridge college that was particularly receptive to Irish graduates doing masters or doctorates in law. I know that the links between the college and Ireland…