Washington and Japan announced a historic alliance upgrade designed to help counter the Chinese communist regime. The head of the FBI warns that China is America’s “defining threat,” adding that Beijing-based hackers could be preparing to launch more cyberattacks. What’s more, U.S. businesses are a prime target. A U.S. travel advisory against China could possibly be eased. How could the shift impact Americans? And why did the State Department impose it in the first place? China’s communist leader says exte