The idea of a “post-national constitutionalism” does not . . . appeal to everyone. It has certainly met with a mixed reception in the United Kingdom. We, it is commonly said, have been the “awkward...

The idea of a “post-national constitutionalism” does not . . . appeal to everyone. It has certainly met with a mixed reception in the United Kingdom. We, it is commonly said, have been the “awkward partner” in the “new” Europe.’

(I. Ward, The English Constitution: Myths and Realities (Oxford: Hart, 2004) 134)

Assess why it has been so difficult to integrate international sources of law into the UK’s constitutional framework