During his years as premier of the Soviet Union, Nikita Khrushchev denounced many of the policies and atrocities of Joseph Stalin. Once, as he censured Stalin in a public meeting, Khrushchev was interrupted by a shout from a heckler in the audience. "You were one of Stalin’s colleagues. Why didn’t you stop him?"
"Who said that?" roared Khrushchev.
An agonizing silence followed
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