Rarely in recent years has a routine inaugural trip of a head of government been watched with such keen interest at home and abroad. When Germany’s Social Democrat chancellor, Olaf Scholz, travels to Beijing for a one-day visit on November 3rd, he will be the first Western leader to do so since the start of the covid-19 pandemic. Emmanuel Macron, France’s president, was keen to travel together with Mr Scholz, though preferably not right…