The situation in Ukraine will continue to unravel unless Russia comes to planned diplomatic talks in Geneva this week with options for defusing the crisis, says expert Steven Pifer.

Pavel Felgenhauer, an independent defense analyst in Moscow, is pessimistic about a Russia-U.S. rapprochement in part because of enduring concerns about U.S. missile defense system plans.

The focus of the EU and U.S. response should go beyond the passenger jet downing and address broader concerns about Russia’s policies toward Ukraine, says CFR’s Stephen Sestanovich.

Russia’s parliament ratified the New START treaty, but Russian domestic issues like terrorism, as well as U.S. and Russian presidential elections in 2012, make it unlikely that any further accords wi…

As countries prepare to sign the landmark Paris climate accord, the work to reduce global carbon emissions is only beginning, says CFR’s Michael Levi.