Mexico calls on UN to expel Ecuador overembassyraid as tensions soar.

To legitimize the practice of invading other countries' embassies would further destabilizewhat remains of the conventions and rules of international relations.

That may have helped arrest a crook this time. In London, 10 years ago, it would have enabledthe UK to grab Julian Assange sooner. But overall, these specific effects will average out tozero; what will remain is less stability.