Worries for Nigeria as currency falls to record low

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It's been a turbulent week for Africa's largest economy, with Nigeria's currency, the naira, plunging to a new record low against the US dollar. The central bank governor Godwin Emefiele has pleaded for calm - we hear how ordinary Nigerians are being affected. Also the BBC's Hugh Schofield reports from France, where the economy grew by just 0.1% in the last quarter of 2014. We look back at the week's big stories with Mark Gilbert from Bloomberg News and David Freedman from the Atlantic. And Valentine's Day is nearly here - but is the advertising surrounding the celebration of love becoming more and more cynical?