President Biden has implored western allies to stand up to Putin’s aggression in a call with partners today. It comes as both Ukraine and Russia declare that the battle of battles has begun, for the eastern Donbas region. But is the west getting enough material support to Ukraine in this crucial moment? Christiane speaks with President Zelensky’s chief diplomatic advisor, Igor Zhovkva. 

Also on today's show: Sarah Longwell, founder of the Republican Accountability Project; Frank Tsai, founder of China Crossroads; author J. David McSwane.

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