Nixon and Khrushchev argue over capitalism versus communism, standing in a model kitchen

In the summer of 1959, the United States and the Soviet Union agreed to a cultural exchange meant to ease Cold War tensions, each showing off its way of life to the other's citizens. On July 24, touring a model American kitchen at the newly opened American National Exhibition in Moscow, Vice President Richard Nixon and Soviet Premier Nikita Khrushchev fell into an unscripted argument about washing machines, dishwashers, and whose system served its people better. An early color videotape recorder caught the whole exchange, which aired to audiences in both countries within days…