Senate Minority Leader Mitch McConnell (R-Ky.) on Friday warned Attorney General Merrick Garland that his recent Justice Department memo directing federal law enforcement to crack down on parent protests at school board meetings could infringe upon parents’ constitutional rights. The attorney general’s memo, which has been the center of much criticism since its release on Oct. 4, says there is a “disturbing spike in harassment, intimidation, and threats of violence against school administrators, board members, teachers, and staff.” It directs the FBI to work with state and local governments to discuss strategy to address the alleged threats. The memo appears to be prompted by the National School Boards Association, which urged the Biden administration to invoke domestic terrorism laws to handle “angry mobs” of parents who seek to hold school officials accountable for the teaching of Marxist doctrines such as critical race theory (CRT) and COVID-19 restrictions placed on their …