On Sept. 1, the day of the “NewsNation” premiere, Mr. Trump tweeted: “Good luck to Sean Compton, a winner at everything he does.” That night, the show drew an audience of 130,000 viewers, according to Nielsen. Since then the ratings have steadily dropped. Episodes in the week of Feb. 8 had an average audience of 58,000, and fell to 37,000 on March 1.The show had the in-house code name “Project Neutral” during its planning phase. To lead the newsroom, Mr. Compton hired Jennifer Lyons and Sandy Pudar, two well-regarded veterans of the Chicago station WGN-TV.An early warning sign for many people at the show …
