One of Iceland's most enduring symbols is called Fjallkonan, or the Lady of the Mountain. And, like almost every Icelander, the Lady of the Mountain is white. When the editor of Iceland's Grapevine Magazine decided to pose a black model in the traditional Lady of the Mountain costume, no one in Reykjavik would rent one to him. The magazine's efforts to find the costume instigated a national conversation on immigration and race. NPR's Scott Simon talks with Grapevine editor Valur Gunnarsson.