It was surely the most remarkable cross-party summit in recent political history. At Ditchley Park, shadow minister David Lammy addressed Brexit s failings .
The former PM fears ministers are planning to let the European Court of Justice be the final arbiter of EU laws that apply within the province to end the long-running dispute over post-Brexit trade.
Northern Ireland's Democratic Unionist Party (DUP) leader Jeffrey Donaldson gave a well-received address to the Conservative party's staunchly pro-Bre.