| UPDATED: 17:14, Thu, Dec 31, 2020
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Jonathan Powell, who was also chief UK negotiator in Northern Ireland from 1997-2007, raged he had "never seen a British government perform worse than they did in the four years of negotiations that concluded with the Christmas Eve Brexit agreement. He said in terms of the negotiating strategy employed by the UK, "it is an object lesson in how not to do it", "adding it is worth standing back and looking at what we can learn from the debacle". Mr Powell then outlined "five principle reasons" as to why the UK has failed in Brexit negotiations with the EU.