 We'll hear from an author who spent three years in the dog show circuit. But first, the chief executive officer of one of the country's biggest health care systems is retiring. Peter Fine will leave his role as CEO of the Arizona-based Banner Health at the end of the month. He'll then transition into a CEO emeritus role for several months. Banner's current president, Amy Perry, will become the company's new CEO. Fine has been in his role for 24 years.