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The US President wraps up his trip to Europe, but is he taking the lead on Ukraine?

The ´óÏó´«Ã½â€™s North America editor, Sarah Smith, who has been travelling with the US Commander-in-Chief on Air Force One, and Europe Editor, Katya Adler, drop by to chew over the transatlantic approach to the crisis.

Also… amid a growing feeling of global instability, Adam speaks to historian, philosopher, and best-selling author of 'Sapiens', Yuval Noah Harari, about the consequences – some unintended and overlooked – of the conflict in Ukraine.

Today’s Newscast was made by Tim Walklate, with Chris Flynn and Ben Cooper. The studio director was Hannah Montgomery. The editor was Jonathan Aspinwall.