California: Fruits, Nuts and Droughts

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California is entering its fifth consecutive year of drought. Is that changing people's attitude to green energy and climate change there? The BBC's Paul Moss reports. We speak to author Jacquie McNish, co-author of Losing the Signal: The Untold Story Behind the Extraordinary Rise and Spectacular Fall of Blackberry. What are the business lessons in Blackberry's story? (Photo: Dry cracked earth near an almond orchard in Firebaugh, California, Credit: Justin Sullivan/Getty Images)