Trouble at Tesco

Available for over a year

Britain's largest retailer suspends four executives amid a $400m accounting scandal. On the eve of the UN climate change summit, we ask whether the world is reaching a tipping point over fossil fuel investment. We find out why bloggers in Russia fear President Putin could soon unplug them from the worldwide web. Plus, our regular commentator Lucy Kellaway asks whether a company's management team can have too much diversity.