NPR's contributing senior news analyst Cokie Roberts is one of the most recognizable women political reporters today. In 2004 she penned “Founding Mothers” about America's early revolutionary women; her new book, “Ladies of Liberty,” picks up where “Founding Mothers” left off. Last week, Cokie Roberts came to Portsmouth to talk about her new book in the latest installment of our Writers on a New England Stageseries. Today we play back for you part of that performance.