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b'"Change, growth, and new learning" - there\'s a cultural shift in America, says Sara lawrence-lightfoot. This Friday, Bill Moyers speaks with one of America\'s leading educators and author of The Third Chapter: Passion, Risk, and Adventure in the 25 Years After 50. Sara lawrence-lightfoot is the first African American woman in the history of Harvard to have an endowed professorship named in her honor. She\'s been on the faculty for 37 years, and her career as a scholar has won her the prestigious MacArthur fellowship and the George ledlie prize for research. And, photographic artist Chris Jordan turns the statistics of consumerism into palpable images in his startling series Running the Numbers: An American Self-Portrait and Intolerable Beauty: Portraits of American Mass Consumption.'