Perrotta's previous books 'Election' and 'Little Children' were made into films, and 'The Leftovers' became an HBO series. His new book, 'Mrs. Fletcher,' tells the story of a single mother whose only child has left for college. Perrotta says the book was inspired by the upheaval he experienced when his own kids moved out. John Powers reviews the new Criterion release of Albert Brooks' 1985 film 'Lost in America.' A century ago, two brothers took the world by storm with their mass-produced boxed cereal. Medical historian Howard Markel chronicles their contentious relationship and their prescient and troubling concepts of wellness.