Mario Draghi isn’t just battling to save Europe’s monetary union, he’s being asked to run it. The European Central Bank president is taking on more and more responsibility to keep the currency bloc afloat, from propping up bond markets to monitoring fiscal policies and assuming supervision of the region’s 6,000 banks. Economists, academics and officials past and present say the ECB is at risk of becoming overloaded, which could erode the credibility it needs to achieve its primary goal of price stability. “The ECB saved the euro,” says Andrew Bosomworth, managing director at Pacific Investment Management Co. in ... (full story)