Former Russian president Dmitry Medvedev on Tuesday threatened Ukrainian President Volodymyr Zelensky with imminent death in a text peppered with insults on Telegram. Medvedev, who is now deputy head of the Russian Security Council and is known for his invective against Ukraine and its allies, referred to the Christmas address of Zelensky, saying he had wished death upon “a person” – presumably Kremlin leader Vladimir Putin. “It is clear to everyone that he wishes death not only on ‘one person’,...