From a Washington Post column by Fareed Zakaria headlined “It takes two to tango. But does China want to dance?”:

The mysterious disappearance of Chinese Foreign Minister Qin Gang is a timely reminder that the future of U.S.-China relations will be determined not just by U.S. policy and what is happening domestically in the United States (such as the presidential election campaign). It will be shaped also by developments in China — which at this point are opaque but troubling.