The Associated Press is among the numerous news outlets that have been self-censoring images of the Charlie Hebdo cartoons that may have provoked Wednesday's deadly Paris attack. In a statement, the news organization said that such censorship is standard policy: None of the images distributed by AP showed cartoons of the Prophet Muhammad. It’s been our policy for years that we refrain from moving deliberately provocative images. The conservative Washington Examiner publication then pointed out that the AP nonetheless continued to carry an image of Andres Serrano's 1987 "Piss Christ" photograph—which is certainly provocative, having been the subject of massive...