New Delhi, June 10 -- The day after Armenians voted to return Nikol Pashinyan to power, Russia moved on two institutional fronts simultaneously. Standing before reporters in Kazan following a meeting of the Collective Security Treaty Organization's Council of Foreign Ministers - a gathering Armenia did not attend - Foreign Minister Sergey Lavrov served notice that Yerevan's attempt to straddle Moscow-led integration and European accession is approaching its legal and economic limit.

and that point, in Moscow's reading, has now arrived.

But that was only half of what Lavrov said at the Kazan briefing. In the same remarks, he disclosed that the CSTO member states had agreed to consider activating Article 25 of the organization's charter a...