What’s the point of the Xi visit?

oments before President Xi Jinping climbed down the steps of his aircraft to be greeted by Donald Trump, US marines were filmed on their hands and knees smoothing out the red carpet, Chinese officials looking down from the top of the steps. It was an uncomfortable image, ridiculed on social media for the symbolism of kowtowing to the emperor. But it set the tone for a summit which so far has been heavy on pomp and ceremony, rich in platitudes, but with very little in the way of substance. A strong diplomatic case can be made for political fawning –...