If you could set up a perfect scheme to eliminate fake news, how would you do it? There is a lot to think about. Would it be a committee that has authority to

If you could set up a perfect scheme to eliminate fake news, how would you do it? There is a lot to think about. Would it be a committee that has authority to decide what is true, for example? Comprised of whom from where? Would there be appeals for mistakes? What would a final appeal look like? What would penalties for non-compliance look like? Could you be jailed for fake news spreading? What would prevent abuse: say, an annoyed powerful person labeling something embarrassing but true as fake news? What if, say, a scientific fact that everyone knew turned out to be wrong? How would this be different from fake news?