LAST October Xi Jinping was dubbed – on the front page of The Economist, no less – as ‘the world’s most powerful man’. His grip on China, the magazine said, was tighter than any leader since Mao’s, and his China was a ‘dominant engine of global growth’.http://www.heraldscotland.com/news/16063634.China__39_s_new_Mao___Xi__who_must_be_obeyed/