videos now. those dead children, were they dead at all? yes, they were. children died in the sarin gas attack committed by assad. assad and his wife and children are living in an alternate universe. peyton walsh takes uttus there. >> reporter: this is the world of most syrians, rubble, bombs, indiscriminate slaughter, even chemical weapons. welcome to the world according to bashar al assad where things that make him look bad simply doesn't didn't happen. >> we don't know whether those dead children, were they dead at all? who committed the attack if there was attack? >> reporter: it's nothing new for a man who was an eye doctor trained in london yet has found himself a hated dictator. in his 17-year reign, from