(Shooting survivors and victims' relatives, including Chris Foye, second from right, who holds up a t-shirt with a picture of his son, Chris Owens, who was killed by a stray bullet, join New York City Mayor Michael Bloomberg, unseen, at a news conference at City Hall in New York, Monday, Dec. 17, 2012. Bloomberg and dozens of shooting survivors and victims' relatives are calling on Congress and President Barack Obama to tighten gun laws and enforcement. (AP Photo/Seth Wenig))
