Two years of Brexit logjam has invited a sudden flurry of activity – the resignation of a prime minister, the reluctant but welcomed return of Brexit leader Nigel Farage and, inevitably, a chance to revisit and dust-off old ideas.

One debate likely to re-emerge is on the Anglosphere – a unique English-speaking global commons, historical stalwart for liberty and, more recently, potential mercantile saviour for a post-Brexit Britain.