Supporters of gun control gather on Pennsylvania Avenue in front of the White House in Washington, Friday, Dec. 14, 2012, during a vigil for the victims of the shooting at Sandy Hook Elementary School in Newtown, Ct., and to call on President Obama to pas Photo by
President Barack Obama looks to the media as he walks to the Oval Office of the White House as he returns from greeting members of the staff, Tuesday, Dec. 18, 2012, in Washington. (AP Photo/Carolyn Kaster) Photo by
President Barack Obama stands with Vice President Joe Biden as he makes a statement Wednesday, Dec. 19, 2012, in the Brady Press Briefing Room at the White House in Washington, about policies he will pursue following the massacre at Sandy Hook Elementary School in Newtown, Ct. Obama is tasking Vice President Joe Biden, a longtime gun control advocate, with spearheading the effort. (AP Photo/Charles Dharapak) Photo by