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It is two years since Russia began its costly conflict against Ukraine. How does it fund its war effort, how do sanctions impact that and how tight is Putin's grip on power?

Guests:\nSarah Rainsford, BBC Eastern Europe Correspondent\nMaria Shagina, Research Fellow for Economic Sanctions, Standards and Strategy at the International Institute for Strategic Studies\nIsaac Levi, Europe-Russia Policy & Energy Analysis Team Lead at the Centre for Research on Energy and Clean Air\nMark Galeotti, Writer on Russian security affairs and director of the consultancy Mayak Intelligence

Production team: Nick Holland, Kirsteen Knight and Ben Carter\nProduction Co-ordinator: Gemma Ashman\nSound engineer: Neil Churchill\nEditor: Richard Vadon