Arseniy Yatsenyuk, Former Prime Minister of Ukraine

Stephen Sackur speaks to Arseniy Yatsenyuk, former prime minister of Ukraine. After three years of fighting, 10,000 dead and hundreds of thousands displaced, is it time for Ukraine's leaders to acknowledge they're in a war they cannot win? Geopolitics, economics and public sentiment are working in Kiev's favour. Yatsenyuk was Ukraine's prime minister until a year ago - he described his own premiership as a kamikaze mission. How does his nation avoid self-destruction?