India, Feb. 27 -- When China's president Xi Jinping purged General Zhang Youxia on January 19-among other things Zhang was accused of leaking nuclear secrets to the US-China's military purge reached a level never seen before under Xi. Not only was Zhang the highest military leader as the vice chairman of the Central Military Commission, he had also known Xi from school. The latter, in fact, referred to Zhang as his "elder brother." Purges, whether political or military-and the two do not necessarily have a Chinese wall between them-are not entirely unheard of in post-revolution China. However, the latest round under Xi's leadership is definitely different in terms of its momentum and reach in China's more recent past. On Thursday, Chinese...