The war of words over Syria – including accusations of Russian war crimes in Aleppo – has relations between Moscow and Brussels at their worst in years. But both sides recognize that nothing can be done without the other.
In their overwhelming attacks on eastern Aleppo, which spurred the US to suspend talks with Moscow, Russia and Syria are seeking a favorable political outcome through time-tested – if brutal – military means.
Vladimir Putin and the Russian Orthodox Church have increasingly invoked Czar Nicholas II, murdered in 1918, as part of a broader strategy to claim political legitimacy. But that epoch may hold warnings for Putin.
Autocratic President Islam Karimov has ruled Uzbekistan for more than two decades. But public reports he has suffered a debilitating illness raise the possibility of a succession battle, complicated by Uzbekistan's own Islamist insurgency.
Tatarstan has had a problem with Islamic extremism. But the Russian republic has avoided the violence that consumed Chechnya, by both resisting Wahabbism and promoting its own native Muslim traditions.
The sudden retirement of Sergei Ivanov, a longtime ally of Putin's, is just one of many recent changes in Russia's government, which seem to be aimed at bringing in younger Putin loyalists with new ideas.
Easing tensions between Ankara and Moscow would seem to benefit both Mr. Erdoğan and Mr. Putin. But Turkey also presents a complicating factor to the Kremlin in its dealings with Turkic peoples at home and abroad.
The Aland Islands were once contested by Finland and Sweden, their immediate neighbors. But the dispute's peaceful resolution has worked so well that Aland now serves as an example to other cultural conflicts.