Brexit’s back – but are British voters ready to contemplate a reversal?

As Andy Burnham talks up closer alignment with the EU and a poll suggests half in UK would rejoin, the B-word is back on the agendaIn February 2016, days after David Cameron announced the UK would hold a referendum on leaving the EU, he told workers in Slough not to imagine they could change their minds a few years down the line if they did not like how things panned out. Voting to stay in or leave was a once in a generation thing, he said. “This is a decision that lasts for life.”Well times...