In his sitdown with Chinese capo Xi Jinping, President Donald Trump should raise holy hell over Beijing’s brazen espionage and covert influence operations in America, from Los Angeles to New York and everywhere in between, including in cyberspace and in our skies. A cell including Eileen Wang, the mayor of Arcadia, Calif., ran an influence op just a few miles from downtown LA, focused on pushing Chinese Communist Party propaganda on the Chinese-American community, justifying Beijing’s aggression against Tawian, denying its ethnic cleansing of Uyghurs in Xinjiang and so on. Past headline California cases include the infamous Fang-Fang’s alleged seduction...