'External Influence' Blamed For Sinai Crash

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We ask if airlines are sharing enough information about potential threats to flights. David Soucie is a former US air safety inspector with the Federal Aviation Administration. Also in the programme, $4bn has been wiped off the value of Africa's largest mobile phone company, MTN, after it failed to cut off unregistered users, which has led to a multi-billion dollar government fine. Meanwhile Amazon and eBay could be liable in Europe for billions of dollars of sales tax swerved by some of their online traders. We have a special report. Plus Lucy Kellaway of the Financial Times newspaper tells us why she's not convinced of the merits of wearable fitness tracking devices. (Picture: Debris from the crashed Russian airliner in Egypt. Picture credit: AFP.)