The flames from Greece s debt-crisis protests have cast new light on the perils of our own overspending and overborrowing. You know the litany. California is imploding. Public-sector unions there, and across the country, are swallowing budgets. In California alone, pension costs have gone up 2,000 percent in a decade. At the national level, Obamacare has done little to fix - and much to hurt - America s long-term entitlement mess. Already, America s structural deficit has tripled since 2007. Economist Price Fishback has just published a paper finding that America spends more on social welfare than socialist Sweden (though we spend it differently).