French President Emmanuel Macron spoke with British Prime Minister Boris Johnson and NATO head Jens Stoltenberg about the Ukraine crisis on Saturday ahead of travelling to Moscow and Kiev, his office said. The separate telephone conversations took place “in the context of constant consultation between allies on the subject of the tensions between Ukraine and Russia,” the Elysee Palace said. With Stoltenberg, Macron insisted on “the need to continue working to find through dialogue a path to de-escalation, in unity, the full respect of fundamental principles of European security, the sovereignt…