How the Trump-Xi summit could set superpower relations for many years to come

“So long as the visit proceeds smoothly and Trump concludes he was treated respectfully, then the uneasy calm in the bilateral relationship will endure. If, on the other hand, Trump leaves feeling disrespected or trifled with, then he could have a change of heart,” says Ryan Hass, Director of the John L Thornton China Centre at the Brookings Institute.