WASHINGTON — President Obama will use the power of his office to try to jump-start long-stalled "smart-gun" technology that could eventually allow only the owner of a firearm to use it, the White House announced Friday. Over the opposition of gun rights groups, he also vowed to push ahead with a new federal policy giving the F.B.I. access to more mental health records of some Social Security recipients to better flag people who might be banned from buying a gun. The... (GunPolicy.org)