Warsaw: Taking a leaf out of US President Joe Biden’s book, Canadian Prime Minister Justin Trudeau made an embarrassing public gaffe when he said “Russia must win this war” following a visit to Ukraine, where he is shoring up support as Kyiv struggles to fight Russian troops as the conflict entered into its third year. Warsaw: Taking a leaf out of US President Joe Biden’s book, Canadian Prime Minister Justin Trudeau made an embarrassing public gaffe when he said “Russia must win this war” following a visit to Ukraine, where he is shoring up support as Kyiv struggles to fight Russian troops as the conflict entered into its third year.