Former Russian President Dmitry Medvedev said on Friday that Russia is prepared to take the war in Ukraine as far as its border with Poland. Medvedev, who is now deputy chairman of Russia's Security Council, made the remarks in a statement on his Telegram channel on the one-year anniversary of the country's invasion of neighboring Ukraine. Russia must "push back the borders that threaten our country as far as possible, even if these are the borders of Poland," he wrote. In his lengthy post, Medvedev said he believed Russia will be victorious in the war. "It's been a year since...