Russians remember the mass demonstrations that occurred in 1991 in response to an attempted coup of a group of Soviet hardliners against Soviet President Mikhail Gorbachev's glasnost policy. Several were involved in the protests.
In this chilling video, Pol Pot's second in command, Nuon Chea (a.k.a. "Brother Number 2"), describes the decision they made to eliminate perceived "traitors" while they were in power. It's the first time a leader of the Khmer Rouge has admitted to ordering the killing of Cambodian people.