Labour leader Ed Miliband said the Conservatives were divided over Europe and the prime minister was "being dragged to the exit door" by backbenchers and certain cabinet ministers who were "undermining his authority" by urging an "in-out referendum" on the UK's future in Europe.
One hard reality is the emergence of transcontinental alliances of liberals and conservatives, undermining the ancient Christian principle that in each geographical area only one bishop should have authority.