European Union member states are struggling to form a united front to enforce sanctions against Russia following the downing of flight MH17. For sanctions to be effective, Europe needs to focus on how effective they are willing to make them and how far they are willing to commit to them.
The end of ambiguity about Pyongyang's nuclear capacity raises fundamental questions affecting China, the United States, and the future of international non-proliferation strategy. Indirectly, these consequences could actually work to the advantage of the West in its attempts to prevent Iran 'going nuclear'.
The UN Security Council is certain to impose sanctions on North Korea. But, since these are likely to involve – at least initially – just cutting off trade and diplomatic contacts, no significant impact is expected.