Noah Feldman joins Walter Isaacson to discuss a “Supreme Court” for Facebook.
Former Senator Heidi Heitkamp reacts to a new revelation in the Senate impeachment trial.
New Yorker Moscow correspondent Joshua Yaffa discusses Putin and modern Russia.
Dr. Tom Inglesby addresses coronavirus fears.
Renowned journalist Jemele Hill reflects on Kobe Bryant's legacy.
Scott Jennings and Alec MacGillis discuss Mitch McConnell's imprint on the U.S.
Grammy-winning musician Esperanza Spalding tells Walter about the healing power of sound.
U.S. Democratic presidential candidate Tom Steyer discusses his platform.
Actor David Strathairn discusses his role in the play "Remember This."
Danny Weiss and Jonathan Burks offer their perspectives on the Senate impeachment trial.
Poet and former felon Reginald Dwayne Betts discusses his incarceration experience.
João Doria, governor of São Paulo, Brazil, discusses the environment.
Constitutional scholar Noah Feldman offers analysis of the Senate impeachment trial.
John P. Carlin discusses his book “Dawn of the Code War."
Nobel Prize-winning economist Joseph Stiglitz joins Christiane from Davos, Switzerland.
Russia experts Evelyn Farkas and Dimitri Simes discuss the impeachment trial.
Former White House speechwriter Sarah Hurwitz discusses her book "Here All Along."
NPR host Steve Inskeep describes America's first political power couple.
Peggy Orenstein joins the program to discuss her book “Boys and Sex.”
National Geographic Fellow Dan Beuttner discusses the Blue Zones Project.
Father Greg Boyle discusses his organization, Homeboy Industries.
Henry Louis Gates, Jr. Discusses "Finding Your Roots."