Activists protest in New York on March 9, 2023, against a public safety training center being built near Atlanta. The facility has become a focal point of demonstrations opposing development in one of the state's most pristine forests. (Spencer Platt / Getty Images) While federal law prohibits international terrorism, it defines but does not yet prohibit domestic terrorism. In the absence of congressional authorization, the FBI and Justice Department simply have not had the resources to address the increasing frequency of white supremacist violence over the last decade. Fortunately, most states filled the gap after 9/11. The first wave of...