A culture of trust is usually claimed to have many public benefits--by lubricating markets, managing organizations, legitimating governments, and facilitating collective action. Any signs of its decline are, and should be, a matter of serious concern. Yet, In Praise of Skepticism recognizes that trust has two faces. Confidence in anti-vax theories has weakened herd immunity. Faith in Q-Anon conspiracy theories triggered insurrection. Disasters flow...