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Available for over a year

How optimistic are people about the future? The �鶹��’s Evan Davis tells More or Less as the programme looks back at the most interesting and important numbers of 2014. Tim Harford also speaks to Dr Pippa Malmgren, who was a former economic adviser to President George W Bush, Times football journalist Bill Edgar and the winner of the first Africa fact-checking award, Edem Srem, to discuss goalkeepers and gold miners.