The best way to read Ezra Klein and Derek Thompson’s new book is to take the authors at their word. Abundance is what is usually called a “policy book,” but Klein and Thompson don’t quite offer a traditional policy agenda. Instead, the authors begin and end with a question that is also a concentrating lens. “Can we ...

Nicholas Mulder’s new book, “The Economic Weapon: The Rise of Sanctions as a Tool of Modern War,” remakes debates over European history between the two world wars. It rescues the League of Nations from the enormous condescension of posterity, arguing that the league was neither ridiculous nor doomed. However, it also demonstrates that the league’s ...