https://www.reuters.com/article/us-usa-tencent-holdings-wechat-ban/wechat-u-s-ban-cuts-off-users-link-to-families-in-china-idUSKCN253339 >President Donald Trump’s ban on transactions using popular Chinese messaging app WeChat will cut ties to families and friends in China, millions of users in the U.S. fear, as they become the latest casualties in the standoff between the two nations.