Hi, China Watchers. This week we kick the tires on China’s new “cyber sovereignty” initiative, puzzle over the collapse of congressional “tough on China” legislation and scrutinize the State Department’s new “wrongful detention” warning for China-bound travelers. We’ll also unpack the lessons from President XI JINPING’s recent Xinjiang trip and profile a book that warns that “tense cohabitation” is the best we can expect from U.S.-China relations for the foreseeable future. But this just in: Presidents JOE BIDEN and Xi will speak within the next 10 days. I want you, loyal China Watcher subscribers, to tell me what you think…