China’s leader draws from autocrats’ playbook to expand power, oust potential rivals and lay groundwork to rule indefinitely Chinese leader Xi Jinping is employing the sort of autocratic tactics once wielded by Joseph Stalin and Mao Zedong to stamp out opposition and stack the leadership with acolytes as he prepares to extend his reign. In a throwback to the most powerful Communist leaders of the 20th century, Xi has purged dozens of senior officials—even his own protégés—overseen the growth of a cult of personality and demanded absolute loyalty. His goal: dictate China’s destiny for years to come in order to...