In the third in a series on American presidents, Thomas Jefferson's life and career are discussed. Mr. Burstein and Mr. Jordan talked about Monticello and Jefferson's love of nature, his career, and his letter writing. They took calls from viewers. Mr. Nieman described what Monticello was like in Jefferson's day. Ms. Stanton and Ms. Swann-Wright discussed the project they are doing on the African-American families who lived as slaves at Monticello. Ms. Gordon-Reed talked about her book, [Thomas Jefferson and Sally Hemings: An American Controversy] and responded to telephone calls from viewers. Mr. Gillespie described the Jefferson descendents group, the Jefferson family cemetery, and how to determine whether or not a person is a descendent of Thomas Jefferson. Ms. Meachum talked about Thomas Jefferson High School and her knowledge of President Jefferson. Mr. Burstein is the author of, [The Inner Jefferson: Portrait of a Grieving Optimist]