But fact checks weren’t going to reach the readers of Breitbart, which had already published more than one story, spawning an unknowable number of follow-on Internet stories, talk radio segments, and tweets. We believe that the kiss of the nuke deal will turn the Iranian frog into a handsome prince. Millions of people would consume this information in a matter of hours, far more than the readership of The New York Times. It was fake news, and there was no way to dissuade people who chose to believe things that validated their established convictions.

