Piers Morgan’s new show on TalkTV has seen a slide in viewership so bad in just the first few days that executives at Rupert Murdoch’s News Corporation are discussing how much of a failure he is, and others are already privately comparing the disaster launch to the short-lived failed CNN+ streaming service. Morgan’s interview with former President Donald Trump on his first two nights of the show, Piers Morgan Uncensored, seems to have spiked ratings significantly at the launch as on Monday — the first day of the show and of the interview — Morgan came in with nearly 400,000...