On today’s show:

• We examine the role that pipelines play in shaping contemporary social movements, and how a transition to renewable energy might impact popular political engagement
• ThinkGlobal Arts Foundation founder Revati Natesan tells us how her global search for postage stamps of Mahatma Gandhi lead her to build new generations of peace-builders
• We take a look at what’s happening in eastern Ukraine and the evolving U.S.- Russia relationship.