Russia today launched one of its heaviest missile barrages yet in Ukraine, killing at least 36 and wounding more than 100. Even a children's hospital that performs 7,000 surgeries on sick children every year was hit hard, according to local officials. Christiane spoke to former Supreme Allied Commander for Europe Wesley Clark about what is at stake for Ukraine and for NATO in its face-off with Russian President Vladimir Putin. 

Also on today's show: Clément Beaune, former Deputy of the French National Assembly; Sanam Vakil, Director of Chatham House's Middle East and North Africa Program; author Adam Moss 

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