Calligraphy was once China’s highest art form—then the Communist Party tried to erase it. Now, under Xi Jinping, it’s making a comeback. At Sotheby’s in Hong Kong, a rare copy of the Orchid Pavilion ...

Karim Jabbari still remembers how painful it was to walk down the street with his family as a child and see his neighbors turn away. “No one was willing to talk to us in public,” he says. Jabbari’s ...