As escalation ratchets higher between Russia and the west over Ukraine, Intelligence Squared U.S. examines a core question: Is a confrontation with Russia worth it? And what effects have sanctions really wrought? Kurt Volker, a former U.S. Ambassador to NATO and former Special Representative for Ukraine, argues that defending Ukraine is very much in the west’s security interest. Emma Ashford of the Atlantic Council argues that it is not. And yet both acknowledge that for Russia, the stakes may be considerably higher.   Learn more about your ad choices. Visit megaphone.fm/adchoices