President says U.S. staged a risky operation to rescue Kayla Mueller and others from ISIS custody, but the mission ultimately came up short.
원문출처 : http://edition.cnn.com/2015/02/10/politics/obama-kayla-mueller-isis/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/10/politics/obama-kayla-mueller-isis/index.html?eref=edition