National School Shield Task Force director Asa Hutchinson speaks during a news conference at National Press Club in Washington on April 2, 2013. The National School Shield program is a framework to arm security guards in any school system who want to be part of the program. (Associated Press)

Photo by: Jose Luis Magana

National School Shield Task Force director Asa Hutchinson speaks during a news conference at National Press Club in Washington on April 2, 2013. The National School Shield program is a framework to arm security guards in any school system who want to be part of the program. (Associated Press)