WASHINGTON (December 19, 2012)--President Barack Obama is calling on Congress to reinstate an assault weapons ban that expired in 2004, and to close the gun show "loophole" allowing people to buy firearms from private dealers without a background check and he says he wants Congress to look into limiting high-capacity ammunition clips.

He's vowing to submit new policy proposals for reducing gun violence by January.

Mr. Obama is asking a team led by Vice President Joe Biden to offer "concrete proposals" to curb gun violence, in the aftermath of the horrific massacre at a Connecticut elementary school.

Biden, a longtime gun control advocate, will lead a team that will include members of Obama's administration and outside groups.