Ukrainian billionaire Petro Poroshenko prepared to take over as Ukraine's leader on May 26, vowing to end hostilities in the east, which he said was "impossible" without the cooperation of Moscow.
Russia's War Against Ukraine
Ukrainian billionaire Petro Poroshenko prepared to take over as Ukraine's leader on May 26, vowing to end hostilities in the east, which he said was "impossible" without the cooperation of Moscow.