Russia’s military build-up on its border with Ukraine has set off alarm bells and led to a flurry of transatlantic diplomacy. Gideon talks to Dmitri Trenin, director of the Carnegie Moscow Center, about what President Vladimir Putin is seeking to achieve, and whether he can realise these goals without launching an attack on Ukraine.Read a transcript of this episode on FT.com See acast.com/privacy for privacy and opt-out information.