A continued look at the serious and fatal increase of gun violence, this week, in another Special Edition of "America: Changed Forever:Trigger Pullers, Guns on our Streets." Host Jeff Pegues has an exclusive interview with Pittsburgh Chief of Police, Scott Schubert, following a house party in turned fatal when more than 100 shots were fired. And an examination of the other victims of deadly shootings, the more than 3,600 children who have lost a mother or father. Pegues interviews award-winning Washington Post enterprise reporter John Woodrow Cox.