EU leaders hold emergency summit over Ukraine

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While EU leaders meet at an emergency summit, the Crimean parliament asks to join Russia. We speak to Robert Shapiro - a former senior economic adviser to President Clinton, to hear his views on the wider risks posed by possible economic sanctions against Russia. The BBC's Steve Evans asks if Berlin is on the brink of a housing bubble. An expedition to the Rwenzori mountains in Uganda has shown how quickly the glaciers there are melting, we hear from the expedition's leader Luc Hardy. Newsweek journalist, Leah Goodman, claims to have tracked down the original creator of Bitcoin. We hear her story. And beauty in Brazil: the BBC's Bruce Douglas reports on the country's thirst for luscious long hair.