A meeting gone wrong between U.S. President Donald Trump and Ukrainian President Volodymyr Zelenskyy on Friday resulted in a cancelled news conference and an unsigned mineral deal in Washington. Diplomats and analysts alike share their thoughts on the unprecedented exchange with Power & Politics. 0:00 - Roman Waschuk, former Canadian ambassador to Ukraine 10:29 - Roland Paris, former foreign policy adviser to Prime Minister Justin Trudeau 18:25 - Peter MacKay, former Conservative foreign