When Mario Draghi announced the European Central Bank's trillion-euro scheme to buy government bonds, he acknowledged that in the round of strategies to revive inflation and boost the economy, the bank had just played its last hand. Asked by reporters what would happen if the plan to purchase 60 billion euros of assets a month for 19 months failed, Draghi answered: "We have Plan A. Period."     In fact, the money printing scheme known as quantitative easing is already a plan "BBB" in the words of former European Economic and Monetary Affairs Commissioner Olli Rehn, who termed it a "Belated Big ... (full story)