Connie Chung — the former ABC, CBS, NBC and CNN anchor — has dished in a revealing new interview on behind-the-scenes tensions with colleagues including Diane Sawyer, Barbara Walters and Dan Rather, as well as her seemingly flirtatious relationship with David Letterman, and how she ruffled Hugh Grant’s feathers during her cameo in the recent HBO hit “The Undoing.” On Andrew Goldman’s “The Originals” podcast for Los Angeles Magazine, Chung said that working with Rather at CBS was like a scene out of “Psycho,” while her treatment at ABC working with Walters and Sawyer was “not unlike what Tonya Harding...