This year's NATO summit brought together the leaders of all 32 member states in Ankara. President Donald Trump's return to the summit brought renewed controversy, with remarks on Greenland and Iran underscoring the geopolitical tensions that continue to test the unity and purpose of the transatlantic alliance. What happened in Ankara and what does it mean for NATO's future? If the Ukraine conflict winds down, will Russia pivot to test Article Five? And is Britain doing enough to prepare for a potential conflict? Bronwen Maddox looks at the summit and NATO's future with special guest General Sir Richard Barrons – former Commander of Joint Forces Command in the UK, now a senior consulting fellow at Chatham House – plus Dr Marion Messmer, director of our International Security Programme, and Galip Dalay who runs Chatham House's Turkey Initiative.

Produced by Podmasters for Chatham House, with thanks to Sara Seth and Stephen Farrell.

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