Many countries have a strategy of not negotiating with terrorists -- but ISIS' new prisoner-swap demands are putting governments to the test.
원문출처 : http://edition.cnn.com/2015/01/30/middleeast/isis-hostage-strategy/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/01/30/middleeast/isis-hostage-strategy/index.html?eref=edition