dr. lieberman. where is mom and dad? the parents?he actual ratings for these games, and let me show you. all kinds for everything from early childhood stettin tab mature adults only. at the end of the day, if you want to control this, mom and dad have to get involved. what do you say that? >> first of all, the rating system does not read these dams appropriately. the things they say are okay for certain ages and really should not be seen by these ages or anyone, adults for that matter. i fail to see the connection, this is just like the video game industry, just like the tobacco industry for years ago when they fail to see that there was a connection between smoking cigarettes and cancer. there have been decades and decades of studies it showing that when people watch video games, play video games, the more hours they consume, the more they become aggressive. there are studies that sho that there are physical changes in the brain. gerri: you have to respond to this. what to you make of the studies being cited here? >> you know, i thi