Sometimes ransom works, but it can lead to more kidnapping, says Peter Bergen.
원문출처 : http://edition.cnn.com/2015/01/20/opinion/bergen-schneider-isis-ransom-new/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/01/20/opinion/bergen-schneider-isis-ransom-new/index.html?eref=edition