Unions ask: Is it time to rethink school shooting drills?

(AP) The nation's two largest teachers unions are calling on schools to revise or eliminate active shooter drills.

The American Federation of Teachers and National Education Association issued a report Tuesday with the advocacy group Everytown for Gun Safety Support. They assert that simulating a school shooting can harm the mental health of students and educators. They say schools should instead concentrate on training teachers to respond to emergencies.

Jean-Paul Guilbault, the chief executive of the Alice Training Institute, which runs active shooter drills, says they are effective when done appropriately