Editor's note: William J. Bennett, a CNN contributor, is the author of "The Book of Man: Readings on the Path to Manhood." He was U.S. secretary of education from 1985 to 1988 and director of the Office of National Drug Control Policy under President George H.W. Bush.
(CNN) -- On NBC's "Meet the Press" this past Sunday, I was asked how we can make our schools safer and prevent another massacre like Sandy Hook from happening again. I suggested that if one person in the school had been armed and trained to handle a firearm, it might have prevented or minimized the massacre.