Sheila Weller’s forthcoming tell-all ‘The News Sorority’ claims to offer up details on the scandalous and sometimes catty escapades of noteworthy newswomen, including how some apparently hold strong disdain for each other. Katie Couric cultivated an “American Girl identity” but she was also a bully with a “chip on her shoulder.” Diane Sawyer strived to be “America’s Aunt” but she rode her staff hard and used “staged humility” to disarm critics. Christiane Amanpour was fearless in the field and would remind her bosses, “Do you know that I’m the world’s best-known foreign correspondent?” And, when feeling threatened, these pioneering, primetime...