Install electronic equipment at every door that doesn’t let anyone in with a gun, impose a complete lock-down of all doors in the building, along with instant alarms that go off at the time of entrance.If you stop the guns from going in the buildings, there won’t be any shooting. We’re a smart country that sent men to the moon.Let’s show how smart we really are and keep guns out of our schools. It can be done and we can do it. Let’s put our electronic knowledge to work and protect our school children.If this sounds too easy, it really is. We just have to do it — the sooner the better. And this will also put a lot of people to work doing it.Some protection at the schools would be good while this equipment is being installed.Sid GordonSaratoga SpringsMore from The Daily Gazette:EDITORIAL: Beware of voter intimidationEDITORIAL: Thruway tax unfair to working motoristsEDITORIAL: Urgent: Today is the last day to complete the censusEDITORIAL: Find a way to get family members into nursing homesSchenectady, Saratoga casinos say reopening has gone well; revenue down 30% Categories: Letters to the Editor, OpinionLet’s fix the gun problem with new laws now. Ban the sale of assault guns of any type to anyone except the U.S. military and law enforcement who qualify.