Bittersweet business: How the global cocoa industry is changing

The cocoa industry in Haiti is one of the few bright spots in an economy that's suffocating amid gang violence and political instability. Exports of fermented cocoa to Europe are having a significant impact for small Haitian producers, and helping to create jobs. Carys Garland reports from the Paris Chocolate Show. Also in the show: we speak to Tony's Chocolonely, a chocolate company that has pioneered efforts to expose exploitation and child labour in the cocoa industry.