Europe's Crisis Averted (Until Monday)

With their tentative agreement on financial aid for Greece, the euro zone's finance ministers have paused a drama that could still end in disaster and that should never have happened in the first place. The deal outlined on Friday won't be concluded until next week, and could still fall apart, but Friday's talks are being seen as a breakthrough.

With luck, the deal will stick. Whether it sticks or not, the European Union needs to study the shambles of the past few weeks and resolve never to repeat it.