China has passed a new foreign investment law seen as a bid to facilitate US trade talks. Mark Schaub is an international lawyer based in Shanghai and London, and assesses the likely impact of the new rules. Also in the programme, there have been climate change protests involving school children across the world. Protester Maryam Zaringhalam tells us why she was involved. Our reporter Jenna Adae examines the legacy of the children's doll Barbie as she celebrates her 60th birthday. Plus we look back at the rest of the week's big business stories with Jim Edwards, editor-in-chief of Business Insider UK, and Jessica Dye, associate US news editor for the Financial Times.