Merrick Garland's Department of Justice has discovered a new group that poses a pressing threat to the country's safety and wellbeing. Their potential crimes are heinous: Objecting to the propagation in our schools of critical race theory and anti-white racism. How deep does this criminal behavior go? We can't say. Announcing a "partnership among federal, state, local, tribal, and territorial law enforcement to address threats against school administrators, board members, teachers, and staff," Garland offers no statistical evidence about the rising threat of infuriated parents. He makes no mention of any arrests. He doesn't say whether a police department or...