PROBABLY the most successful monetary-policy
measure undertaken in recent times. That is Mario Draghis self-effacing judgment on the outright monetary transactions (OMT) programme, the promise made by the European Central Bank (ECB) last summer to buy the bonds of struggling euro-area governments. The ECBs president deserves credit for bringing calm to bond markets. But in reality the situation is still awful, and Europes banks are at the heart of the problem.