The amount of gun violence in PG-13 movies has gone up over the last 30 years, compared to that in R-rated movies, which has remained relatively constant.
Many people, especially women, who experience trauma and violence in their neighborhoods, develop PTSD and depression, a Northwestern U. study suggests.
A protest over police shooting of black people turned violent in Dallas, but the nation is now engrossed in a conversation about police-community relations.