Based on Twitter and Facebook data gathered during the 2011 Arab revolutions, the authors of this Peaceworks report find that new media informed international audiences and mainstream media reporting, but they find less evidence that it played a direct role in organizing protests or allowing local audiences to share self-generated news directly with one another. ...

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 ...