Ethan Lou: Digital yuan is really about geopolitical dominance, the first move in what will surely be a high-stakes, cut-throat competition with the West Article content This month, U.S. lawmakers warned their athletes attending the 2022 Beijing Winter Olympics: do not use China’s new digital currency, or risk being “tracked and traced.” Advertisement This advertisement has not loaded yet, but your article continues below. Article content That elicited a response from an aggressive Chinese spokesman, Zhao Lijian — a flack who so egregiously violates his industry’s rule of not becoming the story that the New York Times Magazine once spent…