"You must choose between two paths: the orthodox one leads towards failure; the unorthodox one should lead towards success.
The eurozone confronts a set of complex longer-term challenges. But the members will not get the chance to make needed adjustments and implement required reforms if it does not survive. The immediate requirements include putting Greece on a sustainable path; avoiding a meltdown in public debt markets of several large countries; and preventing a collapse of banks. Of these, it is the last two that matter." You can read the rest of Martin Wolf's open letter to Mario Draghi here.