from Yahoo News Somalia remains rooted to the bottom of a global corruption index that also features Iraq and Afghanistan , an international watchdog's annual report said.Rich European countries such as Britain and Italy also have slipped, Transparency International's annual Corruption Perceptions Index said. The report said Denmark, Sweden and New Zealand share the honour of being the world's least corrupt countries.There was little change at the bottom from last year - with Somalia closely followed, as in 2007, by Myanmar , Iraq and Haiti. Just ahead of them was Afghanistan , which slipped to 176th place from 172nd.Berlin-based Transparency said the index "highlights the fatal link between poverty, failed institutions and graft." The ranking measures perceived levels of public sector...