Legacy news outlets saw their ratings crash in 2021 compared with 2020’s numbers, partially fueled by an overall lack of interest in news. Cable news networks were the main form of evening entertainment for millions of Americans last year. In 2021, weekday prime-time viewership dropped 38 percent at CNN, 34 percent at Fox News Channel, and 25 percent at MSNBC, according to the Nielsen company, which provides ratings for networks. For 2021, Fox News was again the top-rated cable news network, overtaking CNN and MSNBC, the ratings show. The Trump era saw explosive subscriber growth for some digital news sites like The New York Times and The Washington Post. Now, readers are less likely to spend time on those websites, according to data provided by Comscore, reported The Associated Press. The number of unique visitors to the Washington Post’s site was down 44 percent in November compared to November 2020, and …