So farewell, Hong Kong. The vibrant, pulsating city-state that grew, under British rule, into one of the world’s great financial, business, cultural and tourism hubs has finally been brought to heel. Browbeaten, abused, silenced. Trust Xi Jinping, China’s dementor president, to suck out all the joy. Last Wednesday was the UN’s International Day of Happiness. But it was a sad, bad day for Hong Kong.That was the moment residents woke up to the news that Hong Kong’s puppet legislature, acting on Beijing’s orders, had unanimously abolished its right to think, speak and act freely….