To announce charges in three cases against foreign operatives working in the United States, Justice Department officials held a press conference last week that recalled the Red Scare days of the 1950s. This time, the alleged Communist evil doers are Chinese, not Russians. Attorney General Merrick Garland, FBI director Christopher Wray and others adopted a striking anti-China tone in describing a level of venality. They are willing to “lie, cheat and steal their way to dominance,” Wray said, pointing to criminal cases involving agriculture, academia, green technology and governments. Deputy Attorney General Lisa Monaco, citing evidence that bribes were offered...