“Smart guns” that only their owners can fire are not new. And yet, these guns are not mass-produced or sold in the United States, in part because of fears they are a backdoor to greater gun control. But that’s going to change says one of Silicon Valley’s most prominent entrepreneurs who champions th …

People arrive on a school bus at Newtown High School for a memorial vigil after the 2012 Sandy Hook shooting. The National Shooting Sports Foundation (NSSF), the gun industry’s Newtown, Connecticut-based national trade association and lobbying organization, has received a $2.4m federal grant to pro …