The Worst Day On Wall Street, The Controversial Story Behind The British Museum, How Retailers Reap The Benefits Of US Sweatshops, How To Change Someone's Mind

Diana Henriques on what caused the 1987 financial crash. James Delbourgo explores the origins of the British Museum. Reporter Natalie Kitroeff investigates how retailers avoid liability for factories that underpay workers. Tali Sharot explores what science can tell us about changing someone's mind.