Summary: Headlines for July 23, 2012; Aurora Shooting Witness Omar Esparza Describes Watching Massacre Unfold & Narrowly Escaping Theater; Are We Going to Wait for Another Massacre? Rep. Carolyn McCarthy Urges Stricter Gun Control Measures; Virginia Tech Shooting Survivor Colin Goddard: "The Time Is Now" for Action on Gun Control Laws; Bud Welch, Father of Oklahoma City Victim, on Rejecting the Death Penalty & Healing After a Tragedy
