Russia tightens grip on Ukraine with plans for secession

Turkish and UN officials say they expect to sign a deal with Russia and Ukraine Friday to allow Ukraine to resume vital exports. The country is one of the world’s largest providers of grain and oil. Meanwhile, the battles grind on. Russia this week said its goals had expanded to the country’s south and southeast, as the war of attrition continues in the eastern Donbas. Nick Schifrin reports.