The spectacle of US President Donald Trump thanking China for staying “neutral” with regard to the US-Israeli war against Iran would have been unthinkable a year ago. Yet at the Group of Seven summit in Evian-les-Bains, France, on June 17, he credited Beijing – alongside Moscow – with preventing a full-blown catastrophe. His observation that China “could have sent in an oil ship with six destroyers alongside of it, on each side” but chose restraint, captured the essence of Beijing’s strategic...