Bangladesh, May 6 -- After years of bitterness and uncertainty following Brexit, a new spirit of cooperation is finally taking root between the United Kingdom and the European Union. Though it remains too early to predict the precise outcome of this months pivotal EU-UK summit, it is already clear that the tone has shifted dramatically. Gone is the toxicity of the Brexit years; in its place, a mutual recognition of shared interests, common threats, and historic ties is beginning to flourish.

The slow healing process since the UK officially departed the EU has been accelerated by two major developments. First, the landslide election victory of the Labour Party last year, under the leadership of the pro-European Prime Minister Keir Starmer...