President Barack Obama is holding a summit to find ways of fighting the threats from Islamic extremists.
원문출처 : http://edition.cnn.com/2015/02/17/politics/isis-obama-extremism-summit/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/17/politics/isis-obama-extremism-summit/index.html?eref=edition