Brexit and the Future of Britain

At the time of writing, it appears that Britain will leave the European Union on 29th March at 11 pm British time, 12 midnight Continental time. How will Britain fare outside the European Union? And how will Brexit affect British politics? Will the Britain of 2020 become like the Britain of 1972, the year before we joined the European Community, precursor of the European Union - or has our 46 year membership of European institutions led to irreversible changes in our constitution and system o...