School board meetings, usually one of the most mundane examples of local democracy in action, have exploded with vitriol across the country in recent months, and school leaders are scared. That's according to a letter that the National School Boards Association sent this week to President Biden. It's asking for help from federal law enforcement, including the Justice, Education and Homeland Security departments as well as the FBI, saying: "These heinous actions could be the equivalent to a form of domestic terrorism and hate crimes."