U.S. attacks against China have shifted to a fresh round of arbitrary threats forbidding travel to the United States by employees of Huawei and by Communist Party of China members and their families. The reasoning behind it is astounding. This escalating China-U.S. drama scares and saddens many international expats. Imagine how all this must feel for someone like myself. I'm an Italian American, living here in China for 21 years, and a member of the American Chamber of Commerce which encourages the important ties our businesses and families share here on the ground. And we have to watch American leadership...