In a surprise move this week, US President Donald Trump announced that his Russian counterpart Vladimir Putin had agreed to begin negotiations to end the war in Ukraine. The pair held what Washington described as a "lengthy and highly productive" phone call, ending an effective boycott of high-level diplomatic dialogue with the Kremlin by western leaders. Ukrainian president Volodymyr Zelensky, who spoke separately with President Trump, has emphasised his scepticism about Russia's readiness for peace. So, does this moment mark the first step towards formal talks?

On this episode, Jonny Dymond is joined by the BBC's Chief International Correspondent Lyse Doucet. She dialled in from the Munich Security Conference, where Ukraine looks to be high on the agenda.

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