Psychological Warfare

The History Hour - A podcast by BBC World Service - Saturdays

Spooking fighters during the Vietnam War, building the Mont Blanc Tunnel, designing a Nintendo legend, the murder of Gianni Versace and archive voices from the 'Bonus Army' a protest movement of WW1 veterans which shook the US government in 1932.Photo:Viet Cong guerrillas on patrol during the Vietnam War, 2nd March 1966: (Photo by Keystone/Getty Images)