What Lessons are to be Learned from Article 16 Row?

[John Bruton] The more disharmony there is between the UK and the EU, the greater will be the political problems for both parts of Ireland.

UK’s Sovereignty over Northern Ireland Partially Sacrificed under EU-UK Deal

[John Bruton]
The latest EU-UK agreement gives the UK more sovereignty over the island of Britain, but loosens a considerable measure of its sovereignty over Northern Ireland.