More than three decades on from the assassination of Swedish Prime Minister Olof Palme, new evidence has been brought to light that may reveal the identity of his killer. But after 34 years and thousands of theories, will we ever get an answer that truly satisfies everyone? Guests:Oliver Moody, Berlin Correspondent, The Times. Henrik Berggren, a Swedish historian and biographer of Olof Palme.Host: David Aaronovitch.CLIPS: 1972 UN Stockholm Conference on the Human Environment and Swedish TV show "Kvällsöppet" (1977). See acast.com/privacy for privacy and opt-out information.