With its nostalgically-painted, golden-maned horses, wistful French chanson music wafting as it turns, the Carrousel de St Pierre, by the venerated Sacre Coeur Church, is a firm favourite amongst tourists to Paris. But recently, as I watched the merry-go-round rotate to those romantic French tunes, more than anything else, it reminded me of Brexit. It's 10 years since the UK voted to leave the European Union. Almost immediately, from an EU perspective, the UK collapsed inwards, embarking on