Arto Laitinen (Tampere) and Arvi Sarkela (Lucerne): Four Conceptions of Social Pathology. Benjamin Abrams interviews John Dunn, author of Modern Revolutions: An Introduction to the Analysis of a Political Phenomenon. Jia Tolentino on the promise of vaping and the rise of Juul. Eric Hananoki on the Washington Post’s Hugh Hewitt problem. MSNBC under fire after host Hugh Hewitt helped broker meeting with EPA leader. Even amid scandal, Facebook is unstoppable. Scott R. Anderson and Susan Hennessey on 20 questions the Senate should ask Gina Haspel. Scott McLemee explores the connections between various books forthcoming from scholarly presses. Bitcoin is the greatest scam in history: It’s a colossal pump-and-dump scheme, the likes of which the world has never seen.