Geneva Conventions Now Universal:
via Opinio Juris:

This is a landmark month in the history of international law: with the accession of the Republic of Montenegro on August 2, the 1949 Geneva Conventions have become the first international treaty in modern history to achieve universal acceptance.

The irony, of course, is that the US has re-interpreted the Geneva Conventions, especially the reach of Common Article 3, in a way that makes our copy of the convention different (and much less meaningful) than the rest of the world’s….
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the geneva conventions are a necessity… they keep war from being overly monstrous, though it frequently pushes that boundary.

personally i think the convention should be expanded to include a ban on the use of nuclear, biological and chemical weapons whose purpose is to maim or kill.