When Fox News came online in October 1997, it was an instant success. In short order it quickly overtook CNN, and later all the other cable news outlets that vied for a share of the cable news audience. Under the leadership of Roger Ailes, it crafted a slick team of reporters who reported the news that the others did not. It took several years of continued conservative news for its audience to be assured that they would not be betrayed by this news source. As they had been by all the others. Then the betrayal came. On election night conservatives...