Nigeria, April 8 -- Europe seems to be suffering paroxysms of withdrawal, notably when it comes to international conventions. Many states on the continent seem to have decided that international law is a burden onerous and in need of lightening. Poland, Finland and the three Baltic states, for instance, have concluded that using landmines, despite their indiscriminately murderous quality, somehow fits their mould of self-defence against the Russian Bear. That spells the end of their obligations under the Anti-Personnel Landmines Convention. Lithuania's government has thought it beneath it to continue abiding by the Convention on Cluster Munitions, withdrawing last month.

The International Criminal Court now promises to be one member shor...