...Goering poisoned himself hours before he was to have been executed. In 1964, it was announced that Soviet leader Nikita S. Khrushchev had been removed from office. He was succeeded as premier by Alexei N. Kosygin and as Communist Party secretary...

...fatally poisoned himself hours before he was to have been executed. In 1964, it was announced that Soviet leader Nikita S. Khrushchev had been removed from office. In 1997, NASA's plutonium-powered Cassini spacecraft rocketed flawlessly toward...