June 17, 2016 6:20 pm Sen. Markey, Gun Control Advocates Mobilize Senator Edward Markey addressed the Boston Chamber Friday morning and pushed for stronger gun laws. US & World Videos 38:12 Prosecution's opening statement in the Karen Read trial | FULL VIDEO 3:30 Opening statements underway in the Karen Read trial 2:08 Tension grows over campus protests in Boston 2:31 Fallen Billerica Police Sgt. Ian Taylor honored at vigil 2:33 Massive fire destroys Randolph apartment building