With U.S./China relations bumping along near rock bottom, Beijing’s plans to introduce the digital yuan looks set to create more waves, which may be a concern for Macau’s U.S. operators, says a leading gaming consultant. Earlier this month, Republican Senator Pat Toomey sent a letter to U.S. Secretary of the Treasury, Janet Yellen, and Secretary of State, Antony Blinken, expressing his concerns about the rollout of the digital yuan to a foreign audience during the Winter Olympics in Beijing. Visitors to the Olympic Village will only be permitted to transact in cash, Visa and eCNY, while ahead of the games…