Disinformation is Free Speech to Be Sniffed-Out by Well-Informed Public Two Sides of the Story Which is True?

How can we know disinformation from truth in the free marketplace of ideas? By researching and asking questions, not by authoritarians telling us what is true and taking their word for it the way information is handled in Russia and China, now too in the U. S. with Biden’s spooky Ministry of Truth?