Ambassadors are expected to be multi-functional. They must be good diplomats and effective spokesmen of the nations they represent overseas, but very few include traditional and classical dancing in their repertoire of skills. One of them is Indonesias chief envoy to the Netherlands, Bali-born Gusti Wesaka Puja, 54, who kindly volunteers to perform Balinese dancing when someone asks. At no cost. I happen to like dancing, and when Im asked to danc