Chris Wallace is learning a harsh lesson after he abruptly left Fox News after 18 years to join the left-wing outlet at CNN. Wallace was lured onto CNN’s new online streaming service called CNN+ but it’s drawing fewer than 10,000 daily viewers. Wallace is quickly learning that no one is watching him anymore. Sources say Wallace is suffering “daily breakdowns,” and asking his staffers “to count how many times a day his promo is playing.” Without stronger marketing, it appears very few people are tuning in. Jon Nicosia, president of News Cycle Media and former managing editor of Mediaite, says...