They are right that the region's conflicts are too many, too complex and too overlapping to be settled by foreign military action alone.

ECONOMIST: Neighbouring states can help, but not stop it

First, the discipline imposed by the debt rule would have to bite gradually, rather than all at once, allowing time for corrective action, and avoiding sudden rollover crises so the plan calls for overlapping tranches of short-term debt.

ECONOMIST: Could banks police each other?