article_snippet.sent: Lausanne, Switzerland
article_snippet.sent: CNN's Elise Labott reported from Lausanne and Mariano Castillo and Catherine E. Shoichet wrote the story in Atlanta.
article_snippet.sent: CNN's Don Melvin, Mark Bixler, Cynde Strand, Sarah Aarthun, Jedd Rosche, Jethro Mullen, Greg Botelho and Jim Sciutto contributed to this report.