The North Korean imbroglio has been affecting Sino-American relations for months. Washington and Beijing agree on the urgency of mitigating risks stemming from the unpredictable behavior of North Korean leader Kim Jong-un, but differ on methods to achieve that objective. President Trump has abandoned the “strategic patience” ethos of the Obama era and criticizes Beijing for not putting greater pressure on Pyongyang. For its part, Beijing is concerned about instability on the Korean Peninsula as the US military presence expands and the “regime change” prescription gains ground.