Ukrainian President Volodymyr Zelensky on Monday urged EU leaders to reach a swift agreement on a sixth package of sanctions on Russia including an oil ban. “Why can Russia still earn almost a billion euros a day by selling energy resources?” Zelensky asked EU leaders in Brussels, speaking via video link. Zelensky also warned EU leaders about the dangers of Russia’s blockade on Ukraine’s ports for global food prices and the risk of another global migration crisis as a result. A “large-scale famine in Africa and Asia will mean a threat of a new large-scale migrant crisis for southern and south-…