The late Carl Sagan's legacy is continued by way of his son's new book about cutting-edge technologies and where science fiction has become reality.
"Newsweek" columnist Ellis Cose documents how Rwandan survivors have dedicated their lives to helping themselves and their nation.
Interviews with 'NY Times' correspondent Tim Weiner, filmmaker George Romero, and Lester Brown from the Earth Policy Institute.
Quil Lawrence, Middle East correspondent for the 'The World' and the BBC spent 10 years reporting in Kurdistan -- his new book looks at the history of Iraqi Kurds.
Adrien Brody and Jeffrey Wright talk about their new film, "Cadillac Records," about Chess Records and its recording artists in the 1940s.
In her best-seller "Reading Lolita in Tehran," Azar Nafisi wrote about the lives of women in Iran; now she tells her own life story.
Bob talks to former Senator Tom Daschle, Global Integrity's Nathaniel Heller, and Hall of Famer Earl 'The Pearl' Monroe.
Stories of a border patrol agent and two medical volunteers and their encounters with illegal immigrants trying to enter the country.
As American students' test scores fall behind in the world, the education reform debate heats up.
Bob talks to former Poet Laureate Sharon Olds about about her writing, her teaching, and her refusal to dine with First Lady Laura Bush.