"He said, she said" is a long but not proud journalistic tradition. Now one of the most aggressive climate change chroniclers stands accused of that sin. The target: Andrew Revkin on his New York Times blog, "Dot Earth." The accuser: former Scientific American editor-in-chief John Rennie, who judges Revkin guilty of "an almost reflexive effort to seem journalistically objective." Revkin responds and Rennie replies.
