Are you claiming we don't know the primary impacts of those? Do we have good reason to believe they will change at year 50? My point is that we don't know pri

Are you claiming we don't know the primary impacts of those? Do we have good reason to believe they will change at year 50? My point is that we don't know primary impact even short distance out and we have reasonable evidence that the nature of our opponent is the problem, not the technology.