LAST YEAR, Kari Lake, a news anchor at Fox 10, a local TV station in Phoenix, announced in a video posted to social media that, following a period of leave, she had made the difficult decision to quit journalism. “Sadly, journalism has changed a lot since I first stepped into a newsroom, and I’ll be honest—I don’t like the direction it’s going,” Lake said. “I found myself reading news copy that I didn’t believe was fully truthful, or only told part of the story, and I began to fear that I was contributing to the fear and division in this...