Wryly entitled “Icelandic Women and the King of Tonga,” Jeffrey Vallance's latest exhibition explored two very different cultures through the mythic power of their chief icons: Tonga's avuncular, 462-pound King Taufa'ahau Tupou IV, and Iceland's beautiful, flaxen-haired women. Vallance followed his usual procedure of visiting the distant island communities and, through prearranged audiences with the local heads of state and collaborations with native craftsmen, combining and confusing the roles of artist, ambassador, sociologist, and travel correspondent to produce work that resembles a