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.

U.S.-Russia bilateral relations have fallen to a new low, with Ukraine, Belarus, cyberattacks, and nuclear weapons among the biggest disagreements. What’s the best way to judge this summit’s success?…

The Putin regime remains strong, but nationwide protests in support of Alexei Navalny are the most serious challenge to it in years.

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