The decision to move the Stasi files into the German national archive has sparked debate of how memories of life before reunification should be handled.
30 years after the fall of the Berlin Wall, covert surveillance images offer us an unparalleled look at the lives of people trying to escape from the east to the west.
Martin Plaut, School of Advanced Study, University of London
As South Africa became an international pariah, it began working in shady ways through even more shady operators, including getting arms from the Soviet Union and China.
The fact Jeremy Corbyn spoke to a Communist spy posing as a diplomat in the 1980s does not make him a Communist agent. Many politicians and diplomats were tricked into similar meetings.