When the going gets tough, even the toughest and most resilient in Ireland get going - overseas. They have to. Ireland’s economy is on life support, jobs have been obliterated and if the nation is to get itself out of a black hole of debt things will probably get worse. And so they’re packing their bags, bidding an often heartbreaking farewell to family and friends and heading in droves to places with prospects. Australia’s high on the list.