BEIJING (Reuters) – China’s Xi Jinping became the country’s top leader a decade ago when he was named general secretary of the Communist Party and chairman of the Central Military Commission at the party’s 18th congress. The following March he became president. At the 20th Party Congress, set to begin on Oct. 16, Xi is widely expected to secure a third leadership term, cementing his stature as the country’s most powerful ruler since Mao Zedong, the founder of the People’s Republic of China. Xi accumulated power both through specific one-time moves and gradually over time. In doing so he moved …