martin wolf
At last we are alone.” My father told me he heard these words from an elderly gentleman sitting beside him on the London Underground in June 1940, just after the fall of France. The same insularity animates Brexit. It was an illusion then — it was not the UK alone, but an alliance with greater powers that won the second world war. It is an illusion now. The UK will not be alone, but it will be lonelier. We cannot know what would have happened if the 2016 referendum had the opposite outcome. That is the road not taken. But we know some results and may at least guess at others. Brexit is a decision to separate the UK from the institutions governing the continent of which it is necessarily a part. One result is certain: British people will lose the right to move and work across the EU, as will citizens of EU members to live and work in the UK. That is a reduction in freedom. It is the result of insisting that one should not have both a British and a European political identity. This is...