Russia's War Against Ukraine
Stephen Sestanovich: Putin’s reckless gamble
President Obama’s meetings with European leaders last week made clear how much they hoped Russia, having seized Crimea, would call off any further dismemberment of Ukraine. They may get their wish, whether or not President Vladimir V. Putin’s telephone call Friday to Mr. Obama bears diplomatic fruit. But to assure Ukraine’s survival, the United States and Europe need a more ambitious strategy. To avoid a new Cold War, we must learn the right lessons from the old one.