Janis Kluge, Senior Researcher at the SWP German Institute for International and Security Affairs, evaluates the impact of sanctions on Russia's economy, EU countries' decoupling from Russian energy imports, and the significance of recent 'leaks' in the Nord Stream pipelines.  "The effect of sanctions is [often] slower than expected... but that does not mean that it is more benign." Follow Janis on twitter: @jakluge For episode updates follow on twitter: @jessicagenauer