Azerbaijan’s success in the conflict over Nagorno-Karabakh means Putin’s peace deal is likely to last. It also rules out further diplomacy.

As the world anticipates Russia’s next move in Ukraine, one of Vladimir Putin’s top advisors has laid out how Moscow sees the future of its struggle against the West.

U.S. officials have preserved NATO unity in the face of Russian military threats, but they have not yet defined a clear negotiating agenda—or put Moscow on the rhetorical defensive.

Vladimir Putin is no fan of democracy movements in Russia’s neighborhood, but trying to turn off the protests in Belarus will be risky.

U.S. military and economic support for Ukraine has so far weathered the widening impeachment inquiry into President Trump’s contacts with Kyiv. This backing could strengthen Ukraine in the next round…