The NSA has been covertly implanting interception tools in US servers heading overseas – even though the US government has warned against using Chinese technology for the same reasons, says Glenn Greenwald, in an extract from his new book about the Snowden affair, No Place to Hide For years, the US government loudly warned the world that Chinese routers and other internet devices pose a "threat" because they are built with backdoor surveillance functionality that gives the Chinese government the ability to spy on anyone using them. Yet what the NSA's documents show is that Americans have been engaged in...