Important political lesson for Carney: Nothing respects a border

Andrew MacDougall: In some ways, this is the lesson of politics in the 21st century: nothing respects a border. Nation states may still be nation states, but the policy challenges they face are, if not global, at least affected by global forces. And most of those forces are beyond the control of any one nation state. Why are politicians seemingly so ineffective? Unlike in Mulroney’s time, today a politician’s national levers are no longer directly connected to the engines of growth. Most major policy areas now require global coordination with other parties who may or may not want to play ball…