When US President Donald Trump first proposed his “gold card” programme earlier this year, offering permanent residency to the super rich, Beijing-based emigration consultant Jack Jing received unsolicited inquiries from seven high-net-worth families. But that initial enthusiasm quickly waned after the application details were released last week. None of his clients plan to apply in the near term, said Jing, general manager of the migration service provider WellTrend, who has decades of...