During the run up to last years Scottish Independence referendum I grabbed a rare half hour with my 19-year old son to quiz him on which way he was voting. He was a resolute No. I naturally assumed he’d considered the wider implications of a No vote to public services; the consequences to social and cultural cohesion; the likely impact on the economy and perhaps even, what Independence would mean to Scotland’s environmental policy. I was wrong. It turned out that as a representative of Team GB in alpine sports, he liked the tracksuit. He was voting on the future of his own country solely on the basis of an item of leisurewear.