U.S. President Donald Trump can be accused of having many faults, but hypocrisy is not one of them. To be sure, Trump is wildly inconsistent. His critics have found great sport digging up old tweets in which he condemns political rivals for doing something that he himself blithely does today. But hypocrisy requires a minimal ...

In July 2004 an anonymous blogger revealed his identity when he allowed his photograph to be taken at the Democratic National Convention. “Atrios,” the writer of a prominent left-wing blog, Eschaton, turned out to be Duncan Black, an assistant professor of economics at Bryn Mawr College. Black had worried that a trenchant political blog might ...