The Kremlin indicated in recent days it's focused on "liberating" parts of eastern Ukraine, which is a region where Moscow-backed separatists seized land years ago. Andrew Weiss from the Carnegie Endowment for International Peace discusses Russia's potential tactic to partition Ukraine. And as tensions between Russia and NATO countries may be higher than at any time since the Cold War, why would the U.S. and its allies stage war games right near Russia's doorstep?
State of the World from NPR