'Schoolmaster' Xi leaves Hong Kong smarting

A landmark visit by Chinese President Xi Jinping to Hong Kong left little doubt that Beijing views the city as a destabilising hotbed of unacceptable political dissent that must prove its loyalty, analysts said Sunday.Throughout the televised address, Xi played up Hong Kong's role in upholding China's national security and sovereignty, casting it as a potential breeding ground for instability that must be reined in.