What China’s Xi should learn from Hong Kong’s protest march

(CNN) China's President has traditionally visited Hong Kong only once every five years, swearing in the Chief Executive for a new five year term and then hastily making an exit before the traditional July 1 protest march. For all the bluster about Beijing tightening its control over Hong Kong, President Xi Jinping's visit for the 20th anniversary of the handover of Hong Kong from British to Chinese rule was no exception.