Catherine Herridge, a Fox News Channel veteran who has been with that network since it was founded in 1996, is moving to rival CBS News. She will work as a senior investigative correspondent out of Washington, CBS News said, and will start in November. Herridge is the second long-serving Fox News journalist to leave the Fox Corporation-owned cable-news outlet in recent weeks, and her departure may give a new boost to recent speculation that the network’s news-side employees have grown frustrated during a period when its opinion hosts have largely used their programs to lend support to President Donald Trump...