The head of Twitter in China, Kathy Chen, has announced her resignation.  This is remarkable for two reasons. The first is that Ms. Chen is closely affiliated with the Chinese People's Liberation Army.  The second is that Twitter is banned in China.  Yes, Twitter has a head of its China division even though it has no service in China. All of this will make sense in a moment. First of all, Twitter is banned in China.  The Chinese can't tolerate any form of free speech.  And yet Twitter has a branch in China and hired Ms. Chen to run it: Twitter Inc.’s controversial China chief has departed after only eight months, the latest executive to leave amid a global reorganization. Ms. Chen, a former executive of Microsoft and Cisco, had raised eyebrows due to her former work for China government-related entities. Early in her career, she was as an engineer for a research institute attached to the...(Read Full Post)