A senior communist party operative whose only previous experience in
Hong Kong is a business trip two years ago; a former Guangdong mayor who oversaw the mass arrests of villagers protesting against land seizures; a former provincial party secretary best known for tearing down hundreds of churches and crosses in eastern China. These are China’s top officials charged with Hong Kong affairs, hardliners and allies of the Chinese president, Xi Jinping, who are remaking the semi-autonomous territory into a city that is directly under Beijing’s control in all but name.