Xi's close aide Chen Xi resigns and exits completely, his power base purged; Cai Qi takes on another key role, significantly increasing political risks; Xi's visit to Shanghai marked major anomalies; Chen Jining faces severe danger; Liu He's brother-in-law Gong Zheng poised for promotion to vice-state level; a senior Beijing official of ministerial rank passes away.Inner Mongolia's Shandong-origin official Zhang Xiaobing dismissed from post; Yan Ming's Political Commentary 325