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South Africa's High Court has given the green light to class action lawsuits from miners affected by lung diseases, such as silicosis and tuberculosis. Thousands of current and former gold miners could now make legal claims amounting to millions of dollars. Dhashen Moodley from the South African Broadcasting Corporation has been following the story. The CEO of Facebook, Mark Zuckerberg, has launched an investigation into allegations that the social media site has been censoring political views. Russell Brandom at technology website The Verge explains how the story came to light. In our weekly discussion, Alan Livsey from the Financial Times in London and Keri Geiger from Bloomberg in New York, review the major headlines from the last seven days. And ahead of tomorrow鈥檚 Eurovision Song Contest, music technologist LJ Rich tells us that it's not too important for the contestants to sing in tune. (Photo: An abandoned gold mine shaft in Johannesburg. Credit: Christopher Furlong/Getty Images)