With the NRA’s call for an armed police officer in every school, a debate has erupted over cost of such a strategy, but there is a much more efficient and inexpensive path to secure schools. For some reason the teachers’ unions, politicians, and school administrators think that teachers are somehow less responsible, less capable, and less trainable than those who choose a career in law enforcement, and that having anyone with access to a gun in school besides a uniformed police officer would interfere with children’s ability to learn. Setting aside those confused perceptions for a moment, what about those...