TOKYO -- People quarrel and fight over many things but can become friends again by ironing out differences. But once distrust over each other's character and intent deepens, it is difficult to reconcile.
Safety valves needed to prevent minor miscues from turning into major war

Left: Former Soviet leader Nikita Khrushchev meets with former U.S. President John F. Kennedy in Vienna in June 1961. Right: Chinese President Xi Jinping meets with U.S. President Joe Biden in Bali, Indonesia on Nov. 14. (Source photos by Reuters)
TOKYO -- People quarrel and fight over many things but can become friends again by ironing out differences. But once distrust over each other's character and intent deepens, it is difficult to reconcile.