A former senior U.S. intelligence official warned Olympic athletes to be wary of “multidimensional threats” in the run-up to the 2022 Winter Games in Beijing, including potential digital surveillance. “Take a clean phone,” suggested Nicholas Eftimiades, a retired senior American intelligence officer in an interview with EpochTV’s “China Insider” program. “Don’t put any passwords in it; don’t log into accounts that need specific passwords through their phone, … Your communications devices, and if you take new laptops, have them cleaned by a professional upon return,” he told athletes. “Understand that whatever information you put into any phone, the Chinese government can and most probably will collect,” Eftimiades said, warning both short and long-term concerns, which he called “multidimensional.” During his 34-year government service,  Eftimiades worked as a special agent with the Central Intelligence Agency and as a senior officer in Defense Intelligence Agency, and is well-known for his 1994 book …