On this week's episode of the podcast, journalist Hannah Lucinda Smith joins Faisal Al Yafai to discuss the rival geopolitical blocs reshaping the world, how Europe's margins — from Transnistria to the Balkans — became the front line of a conflict the West refuses to see, and her new book, “Hinterlands: Journeys Through Europe’s Unfinished Frontiers.”Produced by Finbar Anderson