In a desperate bid to attract young viewers, morning news shows upgrade their sets with Internet-themed hangout spaces.
"Love and Math" author Edward Frenkel makes the case for appreciating the inherent beauty and power of mathematics.
David Letterman announces his retirement from "Late Show," and Stephen marvels at the challenge of filling his shoes.
Congresswoman and civil rights veteran Eleanor Holmes Norton expands on the significance of the 50th anniversary of Mississippi's Freedom Summer.
Team USA's dramatic game against Portugal ends in a tie, but America's World Cup hopes are still alive.
Stephen looks back on the 2014 World Cup and Team USA's thrilling series of winning, tying and losing.
"Rattling the Cage" author Steven Wise makes the case for giving animals the same legal rights as humans.
Bette Midler chats about the reissue of her memoir "A View from A Broad," growing up in Hawaii and making a successful career out of being "Divine."
Errol Morris shares insights from "The Unknown Known," his documentary about Donald Rumsfeld and his role in the Iraq War.
Renowned scientist Jane Goodall discusses her book "Seeds of Hope" and explains why she shifted her research focus from chimpanzees to plant life.
Tony-winning singer Audra McDonald chats about her Broadway role as Billie Holiday in "Lady Day at Emerson's Bar & Grill."
Cable news coverage of Malaysia's missing Flight 370 veers into bizarre conversations about black holes and "zombie planes."
Mayor Bill de Blasio discusses the challenges of income inequality, the rising cost of living in New York, and his goal of providing a full-day Pre-K program.
Virginia Congressman Bobby Scott discusses Richmond's high tattoo ranking, the legitimacy of government jobs and whether rhyming has any effect on policy.
Edie Falco chats about her role on Showtime's "Nurse Jackie" and reflects on the motivations of her character in HBO's "The Sopranos."
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