Stephen Kinsella: Brexit has thrown up the question that we, as a group of peoples, must answer

Where exactly do we draw the line between North and South? Where do we go together?

Like a train coming toward us through thick fog, the shape of Britain’s exit from the European Union is becoming clearer. The impact is, as yet, uncertain. Whatever happens, the chances are it isn’t going to be good. The worst of all worlds for Ireland is a situation where Britain imposes a hard Brexit.

A hard Brexit means tariffs and levies on the goods and services our businesses sell. The heart of the ...