Brook Katz News Today

>> thats absolutely right. if we optimize the system for belted occupants as a whole, there will be fewer serious injuries and fatalities. >> reporter: an air bag failed to save brook katz when she died in a crash. >> a step backwards not doing us any good. i dont understand as technology i improves why were going in the opposite direction. >> reporter: they set rules for air bag testing, we do not have an explanation as to why the fatality rate for belted drivers went up. they declined to appea...