so i called carol anderson. carol anderson lost her son richard in a helicopter accident training. i called her on the phone as i did all of the mothers who wrote in the book who lost their sons and i said carol, my name is lieutenant joshua welle at the time and i'd like to talk to you about richard. are you selling t-shirts? [laughter] no maam i am in the naval academy on the board of trustees and i have an important project i'd like to talk to about. this is not about sweatshirts. i don't want to talk to the naval academy. she was actually torn at the time. she was suffering about her son's loss and she hadn't been reached out to buy the academy family and we could do better. i said man we are writing a book to honor richard. our classmate, over 100 will submit and 33 will make the cut and we would like to hear your voice. do it for richard, do it for those he served. two weeks ago after we sought out our first printing with naval institute press i received an e-mail from her. i name is carol anderson and i receive my copy of in the shadow of greatness leg yesterday afternoon an

craig anderson is a professor at iowa state university and director of the center for the study of violence and joins us from ames, iowa. welcome, sir. >> thank you, happy to be here, carol glad to have you here. in your mind is there a connection between violent video game and violence in real life? >> yes, there is. every major scientific society that has studied the question has come to the same answer, the maeamerican medical association the american psychological association, the national society for research and aggression have come to the same conclusion media violence is a risk factor, is a causal risk factor for increased aggressive behavior including violence. >> years ago back in the day we heard the same thing about heavy metal music or hard rock music with violent lyrics and that kind of fell by the wayside and nobody really believes that, you know, lyrics and music such as that translates to violent behavior in the real world. that's true. the same thing has happened to research on movie violence and television violence and in a sense, that speaks to the strength of the industries much like the nra, but the movie industry video game industry and their abili