Would a border poll actually deliver a united Ireland?

Andy Burnham may be new to the job in Number 10 Downing Street, but he’s already found himself at the centre of a political row over one of the most sensitive issues on this island: Irish unity. The British prime minister’s unequivocal dismissal of any prospect of a border poll has reignited a long-running debate about who gets to decide Northern Ireland’s future, and when that moment should come. But strip away the politics, and one question remains: in an Ireland that’s changing socially and…