Just over a decade ago, President Xi Jinping was a virtual unknown. Few would say that now. In ten years, he’s reworked the Chinese Communist party, the military and the government so that he’s firmly in control. He’s also vanquished all of his obvious rivals. And now, he’s about to extend his time in office. Some say Xi might stay in the top job indefinitely. So how did Xi Jinping do it? Celia Hatton, the BBC’s Asia Pacific editor, speaks to fellow China watchers to find out.