Global envoys and experts are doubling down on mediation as a preferred way to resolve regional conflicts amid stalled US-Iran peace talks and China’s appeal for more countries to join its new mediation body. According to Cui Jianchun, commissioner of China’s Ministry of Foreign Affairs in Hong Kong, mediation ensures “to the greatest extent” the autonomy of disputing parties and its “unique charm” is the high respect given to the will of the parties. Cui made the remarks at a summit in Hong...