He invaded Crimea a year ago and then formally annexed it in a brazen, illegal act of aggression not seen in Europe since the Second World War. He sent thousands of Russian soldiers across the border to tilt the balance of Ukraine’s civil war in favor of pro-Moscow separatists and then refused to own up to it in a Big Lie reminiscent of Stalin’s days.
Burns, R. Nicholas. "Winning the Generational Struggle with Putin." Boston Globe, February 17, 2015.