To the conventional leftish mind, the European Union is one of those sacred institutions handed down as though from on high as an unquestioned blessing to the human race, like the UN or Greenpeace or the ABC. It never does wrong. To the Australian leftist in particular the EU has, or as we can now say, had, the additional virtue of keeping Great Britain, ‘invader’ of this land, once ruler of the waves and still the seat of a monarchy that republicans think stops Australia taking its full place in the world, safely pinioned inside a supranational cage, reduced to...