While President Barack Obama is moving ahead with executive orders and legislation to further tighten gun control in response to the mass murder committed by Adam Lanza at the Sandy Hook Elementary School in Newtown, Conn., neither the toxicology report on Lanza’s corpse nor the police report on his crime have been completed. Lanza attacked the school on Dec. 14, killing 26 people, including 20 children. Before going to the school, he killed his mother at the home where he lived with her. When police arrived at the school during his murder spree, Lanza shot and killed himself. … Despite...