As the breach between the U.S. and its allies widens following President Trump's Oval Office bust-up with Ukrainian president Volodymyr Zelensky and his imposition of tariffs on Canada and Mexico, what can history tell us about today's tumult? 

On this episode of Free Expression, deputy national security advisor to Trump in his first term Nadia Schadlow shares with Gerry Baker the parallels she sees between Donald Trump and Richard Nixon as both faced a tense and rapidly changing international climate. They discuss how Trump and Nixon both believed in peace through strength, in the importance of a global balance of power and in the opportunity provided by negotiation - sometimes with unexpected partners.

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