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The failure on Sunday evening of efforts to form a coalition government seriously increases the chances that Greece will default, which in a way only makes things worse for Canada’s Liberals. It appears certain, now, that the developed world is in the middle of a dark decade, with neither the Americans nor the Europeans able to shake off the economic shocks of 2008 and 2009. It could be many years before we see a return to sustained robust growth. This is why the only question that matters for any politician anywhere is how to protect the economy. In Canada, Liberals are having trouble answering that question.