From left; Sen. Richard Blumenthal, D-Conn., Sen. Chris Murphy, D-Conn., and Rep. Elizabeth Esty, D-Conn. arrive for a news conference on Capitol Hill, in Washington to introduce legislation on assault weapons and high-capacity ammunition feeding devices, Thursday, Jan. 24, 2013. (AP Photo/Manuel Balce Ceneta)

Photo by: Manuel Balce Ceneta

From left; Sen. Richard Blumenthal, D-Conn., Sen. Chris Murphy, D-Conn., and Rep. Elizabeth Esty, D-Conn. arrive for a news conference on Capitol Hill, in Washington to introduce legislation on assault weapons and high-capacity ammunition feeding devices, Thursday, Jan. 24, 2013. (AP Photo/Manuel Balce Ceneta)