The world’s financial system came precariously close to seizing up recently. In fact, as far as some big banks and financial institutions were concerned, for a moment in time, the system was in a full-blown cardiac arrest. Liquidity, the flow of money—the lifeblood of today’s economic structure—came uncomfortably close to clotting up in August this year. Defibrillators sizzling and money flowing, central banks around the world acted in concert to jump-start financial markets, slashing lending rates and injecting nearly a half trillion in dollar steroids into the economic pulmonary system. But contrary to what the big media outlets may have...