"The research suggests that there is only one way to mitigate or reverse this process: restore some level of trust in the US political system. But conservative elites—who have the ear of their base—have no incentive to do so, and it's not clear that anyone else has ability to do so. Declining trust in institutions is broad and deep in America; it may very well be unstoppable. As long as it continues, conspiracy theories will play a larger and larger role in public life."
David Roberts at Vox looks to see who is prone to embracing conspiracy theories.