While on the bus home the other day, I saw a 7 year old kid playing Grand Theft Auto 3 on his PSP. I don't know why but I felt instantly worried. Wasn't so much worried because he was running over pedestrians like an enraged madman, hauling off drivers from their cars, and machine gunning whores up on Sunset Blvd.Was more worried because at one point of the game, he kept …