games? pacman and centipede? of. >> i know. i dated myself. >> we can go back to pong if you want to do that. that compared to these violent war-type of games. >> right. this study says the pathological gamers were spending time mostly on the violent game. thet weren't playing ms. pacman for 30 hours a week. >> what is the video industry saying about this? >> they say this researcher is known for this studies, made this his project. they discount it altogether. they say, there's simply no concrete evidence that computer and video games cause harm. they dismiss the study altogether. >> 30 hours a week. not gay bying it. john mccain called president obama a patriot. now a tea party leader is calling mccain something quite a bit different. [ male announcer ] introducing listerine® zero™.