Every day, millions of online diarists, or “bloggers,” share their opinions with a global audience. Drawing upon the content of the international media and the World Wide Web, they weave together an elaborate network with agenda-setting power on issues ranging from human rights in China to the U.S. occupation of Iraq. What began as a ...

Bari Weiss, an opinion writer and editor at the New York Times, created a stir this week with a long article on a group that calls itself the “Intellectual Dark Web.” The coinage referred to a loose collective of intellectuals and media personalities who believe they are “locked out” of mainstream media, in Weiss’s words, ...