China showcased state-of-the-art ballistic missiles at the country's largest-scale military parade to mark the 70th anniversary of Communist rule on Tuesday, with mounting political unrest in Hong Kong testing President Xi Jinping's grip on power.Against a backdrop of months-long anti-China protests in Hong Kong and a tit-for-tat trade dispute with the United States, the leadership under Xi aimed to use the military parade to boost national prestige, according to diplomatic experts.In his keynote speech ahead of the parade, Xi pledged to attain "the great rejuvenation of the Chinese nation"…READ FULL ARTICLE