More than five months after Rep. Gabrielle Giffords was shot in the head, the White House has yet to take any new steps on gun violence, even though that's what President Barack Obama called for in the wake of the shooting. The silence from the administration is drawing criticism from gun control activists and even some of Obama's Democratic allies. Sen. Frank Lautenberg, D-N.J., told the president in a letter last week that the administration "has not shown the... (GunPolicy.org)