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The three things that every school leader better pay a lot of attention to is we have limited time, energy and budget for safety, so we can’t afford to waste any of that. We can’t spend our budget or training time on something that we don’t have pretty good evidence actually bears fruit. With the caution that nothing’s going to be 100 percent. This idea that we’re gonna stop all school shootings; there’s just, no country has been able to do that.