How Mariah Carey’s Christmas Song Became the World’s Most Effective Form of Soft Power
**The Butterfly Effect of a Christmas Melody: How Mariah Carey Accidentally Became the World’s Most Powerful Non-State Actor** GENEVA — While diplomats at the United Nations debate sanctions and trade agreements, a more formidable force has emerged from the ashes of 1994: Mariah Carey’s “All I Want for Christmas Is You.” The song, which began…