President Barack Obama gestures as he speaks during a news conference in the Rose Garden of the White House, Wednesday, April 17, 2013, in Washington, about measures to reduce gun violence, as he is joined by former Rep. Gabby Giffords, left, Vice President Joe Biden, and Newtown family members from left; Jimmy Greene, father of Ana; Nicole Hockley, mother of Dylan; Jeremy Richman, father of Avilee; and Mark and Jackie Barden, with their children Natalie and James, who lost Daniel. (AP Photo/Manuel Balce Ceneta) ( Obama Gun Control )