California legislators are moving to standardize how public schools conduct active-shooter drills. If passed, the new legislation would require school administrators to notify parents, teachers and students before a drill, and ban the use of fake gunfire during drills.Individual schools and districts currently create their own procedures and often contract with law enforcement or private companies to create scenarios that mimic school shootings, which can include students lying on the ground and the use of fake blood and firearms. These exercises can traumatize students in the name of…