Parents of Newtown, Conn., victims urge strict gun laws ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page David L. Ryan/Globe Staff A panel preparing to draft firearms legislation heard testimony Friday night on Beacon Hill. David L. Ryan/Globe Staff When Mark Barden (left) and Nicole Hockley, who both lost children in the Newtown school shooting, stepped to the witness table, a hush fell in the room. David L. Ryan/Globe Staff They both urged lawmakers to embrace "common sense" changes to curb gun violence. David L. Ryan/Globe Staff "We love our children, and it's that common bond that joins us in all of this," Hockley said. David L. Ryan/Globe Staff Bishop M. Thomas Shaw of the Episcopal Diocese of Massachusetts (left) was scheduled to speak before the Joint Committee on Public Safety and Homeland Security.