Despite increased security put in place after the rampage at Connecticut's Sandy Hook Elementary School in December 2012, there's been no real reduction in the number of U.S. school shootings.
A bipartisan drive to expand background checks is in deep trouble as the Senate approaches a long-awaited vote on the linchpin of the effort to curb gun violence.
The National Rifle Association went quiet after last week's shootings in Newtown, Connecticut, and many have been wondering what the gun-advocacy group would have to say. On Tuesday, the NRA released an official statement.