Susan Page, the Washington Bureau chief of USA TODAY and best-selling author, discusses her new book, “The Rulebreaker: The Life and Times of Barbara Walters.” It is the definitive biography of the groundbreaking broadcaster, exploring the professional mountains she climbed, the insecurities that drove her ambition, and the heartbreaks she endured in her personal life. Page’s previous books explored the lives and impact of Barbara Bush (“The Matriarch”) and Nancy Pelosi (“Madam Speaker”).