While it wasn’t quite the dramatic setbacks of Paramount Global and Warner Bros. Discovery this week, AMC Networks posted second-quarter financial results illustrating the perils of operating linear TV networks. The company’s earnings were down significantly from the prior-year quarter and below Wall Street estimates. The programmer reported adjusted earnings per share of $1.24, down from $2.02 and below analysts’ consensus outlook for $1.52. Revenue beat estimates but fell 8% to $626 million. In its earn ...